Contents
The best cheap air filter is the Amazon Basics 16x20x1 Air Filter 6-Pack. It has a MERV 8 rating, which captures dust, lint, and pollen efficiently. For those looking to save money, the Simply 20x20x1 Air Filter offers solid performance but with a slightly lower MERV 8 rating. You give up some allergen control for a lower price point.
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The Top 8
Top 8 Air Filters Reviewed in Detail
Here is a closer look at each air filter in this roundup.
1. Best Overall
Amazon Basics 16x20x1 Air Filter 6-Pack, MERV 8 AC Furnace Filters, Allergen Control , Removes Dust, Lint and Pollen, Electrostatic (Actual Size: 15.75" x…
- SIZE & COMPATIBILITY: Nominal 16x20x1 (Actual 15.75 x 19.75 x 0.75 in). Select nominal size based on your current filter’s frame or measurements. Fits standard furnaces, ACs & HVAC return grilles
- ENHANCED AIR QUALITY: Merv 8 rating air filters effectively captures household irritants like lint, dust, and pollen, to help provide cleaner and healthier air in your home
- IMPROVED FURNACE EFFICIENCY: Designed to promote furnace efficiency and optimization, this furnace air filter traps particles that can cause system wear and tear
- DURABLE CONSTRUCTION & EASY INSTALL: Made with a beverage board frame and wire mesh support, this home air filter provides reliable, long-lasting performance. Insert with the airflow arrow pointing toward the furnace/blower (away from the return grille) for a snug fit
- ELECTROSTATICALLY CHARGED MATERIAL: The air filters are made with synthetic material that is electrostatically charged to attract and capture allergens as small as 3 microns
- CONVENIENT 6-PACK: This convenient 6-pack of air conditioner filters provides you with replacements on hand for up to 12 months with regular changes every 60 to 90 days
The Amazon Basics 16x20x1 Air Filter is a good choice for households. It has a MERV 8 rating, which means it captures common allergens like dust and lint. This six-pack offers great value. These filters fit standard HVAC systems easily. You’ll enjoy cleaner air without spending too much money.
Pros
Affordable option for better air quality. Fits most standard furnaces and AC units. MERV 8 rating captures basic allergens.
Cons
May not filter out the smallest particles as effectively as higher-rated filters. Limited use in very large spaces.
Best suited for homes with standard HVAC systems needing basic allergen control.
A solid choice for budget-conscious shoppers looking for decent air filtration.
2. Best Budget
Levoit Air Purifier for Home Pets Hair Allergens in Bedroom Quiet Purifiers
- WHY CHOOSE AHAM VERIFIDE AIR PURIFIERS: AHAM (Association of Home Appliance Manufacturers) is an ANSI-accredited organization that sets strict standards for appliance performance. Air purifiers with the AHAM VERIFIDE seal have been independently tested for air cleaning performance and energy efficiency. When you choose an AHAM certified air purifier, you’re choosing a product trusted for reliable and effective indoor air quality improvement
- HIGH-PERFORMANCE AIR PURIFICATION: A powerful 56W high-torque motor and 143 CFM CADR delivers fast, effective cleaning. The Levoit Original Filter is HEPA-grade while operating in Sleep Mode (Based on IEST RP C001.7). Ideal for home, bedroom, or office
- AHAM VERIFIDE, PROVEN PERFORMANCE: AHAM VERIFIDE with a CADR (Clean Air Delivery Rate) rating of 143 CFM for smoke, 153 CFM for dust, and 167 CFM for pollen—refreshing air in a 222 ft² room 4.8 times per hour and a 1,073 ft² room once per hour
- GENUINE REPLACEMENT FILTERS: For the best performance and longest lifespan, use official Levoit filters designed specifically for Levoit air purifiers. Levoit replacement filters ensure the best fit and high-efficiency filtration, while off-brand filters may be unreliable and may damage your Levoit air purifier
- FIND COMFORT: Our filter has strong filtration performance of fine particles. 99.97% filtration efficiency for 0.1 to 0.3μm airborne particulates, including pollen, dust, and animal dander allergens. Tested by an independent lab
- WHISPER-QUIET AIR CLEANER: Select Sleep Mode at night and forget all about your air purifier while you sleep. QuietKEAP Technology reduces noise levels to a near-silent 24dB in Sleep Mode
- UNDISTURBED OPERATION: The display lights can be turned off to enjoy a perfect night without being distracted by the light. The display also features a timer for 2, 4, 6, or 8 hours as well as a check filter indicator
- CERTIFIED SAFE FOR HOME USE: The Core 300-P is AHAM verified, FCC Certified, ETL Listed, and CARB Compliant for California indoor air quality standards. Notes: The voltage of the air purifier is 120V and is suitable for use only in the United States
Levoit Air Purifier is designed for homes with pets. It is quiet and effective at removing allergens. The AHAM verified seal shows it meets strict cleaning standards. This model works well in bedrooms and small living areas. Its design focuses on easy operation.
Pros
Quiet operation suitable for bedrooms. AHAM verified for performance and efficiency. Effective at removing pet hair and allergens.
Cons
Not ideal for large spaces over 500 square feet. Requires filter replacement every few months.
Best for pet owners in smaller homes or rooms needing extra allergen control.
A reliable air purifier for those with pets and smaller living spaces.
3. Runner-Up
Amazon Basics 20x25x1 Air Filter 6-Pack, MERV 8 AC Furnace Filters, Removes Dust, Electrostatic, Allergen Control (Actual Size: 19.75" x 24.75" x 0.75")
- SIZE & COMPATIBILITY: Nominal 20x25x1 (Actual 19.75 x 24.75 x 0.75 in). Select nominal size based on your current filter’s frame or measurements. Fits standard furnaces, ACs & HVAC return grilles
- ENHANCED AIR QUALITY: Merv 8 rating air filters effectively captures household irritants like lint, dust, and pollen, to help provide cleaner and healthier air in your home
- IMPROVED FURNACE EFFICIENCY: Designed to promote furnace efficiency and optimization, this furnace air filter traps particles that can cause system wear and tear
- DURABLE CONSTRUCTION & EASY INSTALL: Made with a beverage board frame and wire mesh support, this home air filter provides reliable, long-lasting performance. Insert with the airflow arrow pointing toward the furnace/blower (away from the return grille) for a snug fit
- ELECTROSTATICALLY CHARGED MATERIAL: The air filters are made with synthetic material that is electrostatically charged to attract and capture allergens as small as 3 microns
- CONVENIENT 6-PACK: This convenient 6-pack of air conditioner filters provides you with replacements on hand for up to 12 months with regular changes every 60 to 90 days
The Amazon Basics 20x25x1 Air Filter offers MERV 8 filtration. It captures dust and allergens effectively. This six-pack is economical and easy to install in standard systems. It provides good air quality without breaking the bank.
Pros
Cost-effective air filtration solution. Easy to install in standard HVAC systems. MERV 8 rating for decent allergen capture.
Cons
May not filter fine particles as well as MERV 11 filters. Works best in moderate size homes.
Great for average homes needing basic air cleaning without high costs.
An affordable choice for those needing regular air filter replacements.
4. Best Compact
Amazon Basics 20x20x1 Air Filter 6-Pack, MERV 11 AC Furnace Filters, Dust, Pet, Allergen Control , Electrostatic (Actual Size: 19.75 x 19.75 x .75)
- SIZE & COMPATIBILITY: Nominal 20x20x1 (Actual 19.75 x 19.75 x 0.75 in). Select nominal size based on your current filter’s frame or measurements. Fits standard furnaces, ACs & HVAC return grilles
- ENHANCED AIR QUALITY: Merv 11 rating air filters effectively captures household irritants like lint, dust, and pollen, to help provide cleaner air in your home
- IMPROVED FURNACE EFFICIENCY: Designed to promote furnace efficiency and optimization, this furnace air filter traps particles that can cause system wear and tear
- DURABLE CONSTRUCTION & EASY INSTALL: Made with a beverage board frame and wire mesh support, this home air filter provides reliable, long-lasting performance. Insert with the airflow arrow pointing toward the furnace/blower (away from the return grille) for a snug fit
- ELECTROSTATICALLY CHARGED MATERIAL: The air filters are made with synthetic material that is electrostatically charged to attract and capture allergens as small as 3 microns
- CONVENIENT 6-PACK: This convenient 6-pack of air conditioner filters provides you with replacements on hand for up to 12 months with regular changes every 60 to 90 days
The Amazon Basics 20x20x1 Air Filter has a higher MERV 11 rating. It captures more allergens like pet dander and pollen. This six-pack is a smart buy for families with allergies. Its electrostatic design helps trap particles effectively.
Pros
MERV 11 rating captures smaller allergens. Electrostatic design improves dust trapping. Economical pack size for regular use.
Cons
Higher price compared to MERV 8 filters. May require more frequent replacements in dusty environments.
Well-suited for homes with allergy sufferers needing better filtration.
A great investment for those seeking improved air quality.
5. Best Splurge
Simply 20x20x1 Air Filter, Merv 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC (Actual Size: 19.75"x19.75"x0.75") DUST, Pet, & Allergy Control
- Universally Compatible: Measuring 20″ x 20″ x 1″, with an actual size of 19.75″x19.75″ x 0.75″, Simply Filters works with almost any brand. Comparable to 3M Filtrete MPR 600, Filterbuy AFB Silver, and Honey well FPR 5.
- Cleaner Air Everywhere: Our filters capture dust, mold, pet dander, and pollen in homes, offices, schools, hospitals, and commercial spaces, trapping 90% of airborne particles, promoting a healthier living environment with clean and fresh indoor air.
- Advanced Pleated Technology: With a higher pleat count than most retail, our meticulously crafted filters offer superior capture coverage, optimizing airflow and efficiency.
- Long-lasting Filtration & Easy Installation: Enjoy up to 3 months of resilient filtration. Hassle-free replacement for air conditioning units or HVAC systems. Follow airflow arrows and insert into the filter slot for central units or return grilles.
- Made in USA: Our filters are made using 100% American components, including recycled materials, ensuring superior performance and quality. Experience exceptional filtration and support local manufacturing.
The Simply 20x20x1 Air Filter is compatible with many brands. It has a MERV 8 rating and captures common allergens. This six-pack is a good option for those wanting basic air filtration. It’s straightforward to fit into standard HVAC systems.
Pros
Universally compatible with many systems. MERV 8 rating provides decent allergen control. Good value with six filters.
Cons
May not be adequate for very high pollen seasons. Not the best choice for large homes needing heavy filtration.
Ideal for average-sized homes needing cost-effective air filters.
A reliable choice for basic air cleaning needs at a good price.
6. Best Design
VOOPNU Air Purifiers for Home, High Efficiency Filter Up to 1076 Ft², White
- Effortless Operation: Simplified control panel with intuitive design makes it easy to operate. No complicated setup—just one tap, and you’re on your way to cleaner air, saving time and letting you relax with ease
- Compact Yet Powerful: Covers up to 1,076 ft² while maintaining a compact size of just 6.69 x 6.69 x 9.84 inches. Its small frame makes placement a breeze—whether on your desk or in a corner, it’s ready to work hard wherever you need it (Laboratory Tested: Our air purifier efficiently cleans 250 ft² every 15 minutes, covering up to 1,076 ft² per hour)
- 360° Airflow & High Efficiency Filtration: The elegantly engineered 360° surround air intake, coupled with the sophisticated a triple-layer filtration system, meticulously captures an astounding 99.97% of airborne pollutants, transforming your living space into a sanctuary of purity and vitality
- Quiet with Essential Oil Option: Operates as quietly as 22dB, perfect for undisturbed sleep. The built-in essential oil tray lets you add 3–5 drops to infuse your space with soothing scents while enjoying purified air
- Fully Certified: Backed by DOE, ETL, FCC, CARB, CE, and ROHS certifications, our air purifier meets the highest standards for performance, giving you peace of mind with every use
- Genuine Replacement Filters: For optimal performance, use official VOOPNU replacement filters—precisely engineered for a perfect fit and strong purification. Off-brand filters may reduce efficiency or damage your purifier. Choose the Standard Edition for daily use or the Pet-Care Edition for pet owners and allergy-prone homes, capturing dander, hair, and aller-gens for cleaner, fresher air
- **Note: Air purifiers work most effectively with prolonged use. For optimal performance, we recommend running the unit continuously to fully benefit from its air-cleaning capabilities—especially in dusty areas or places with persistent odors. Regular, long-term use helps maintain cleaner air and improves overall air quality over time
The VOOPNU Air Purifier covers a large area. It can clean up to 1,076 square feet. The user-friendly control panel makes it easy to operate. This model is compact but powerful, fitting well in any room.
Pros
Cleans large areas effectively. Easy to operate with simple controls. Compact size for versatile placement.
Cons
Noise level may increase at higher settings. Initial setup might confuse some users.
Good for larger rooms or open spaces needing effective air cleaning.
A powerful option for those needing coverage in bigger areas.
7. Best for Daily Use
Amazon Basics 12x12x1 Air Filter 6-Pack, MERV 11 AC Furnace Filters, Dust, Pet, Allergen Control , Removes Pollen and Lint (Actual Size: 11.75" x 11.75" x…
- SIZE & COMPATIBILITY: Nominal 12x12x1 (Actual 11.75 x 11.75 x 0.75 in). Select nominal size based on your current filter’s frame or measurements. Fits standard furnaces, ACs & HVAC return grilles
- ENHANCED AIR QUALITY: Merv 11 rating air filters effectively captures household irritants like lint, dust, and pollen, to help provide cleaner and healthier air in your home
- IMPROVED FURNACE EFFICIENCY: Designed to promote furnace efficiency and optimization, this furnace air filter traps particles that can cause system wear and tear
- DURABLE CONSTRUCTION & EASY INSTALL: Made with a beverage board frame and wire mesh support, this home air filter provides reliable, long-lasting performance. Insert with the airflow arrow pointing toward the furnace/blower (away from the return grille) for a snug fit
- ELECTROSTATICALLY CHARGED MATERIAL: The air filters are made with synthetic material that is electrostatically charged to attract and capture allergens as small as 3 microns
- CONVENIENT 6-PACK: This convenient 6-pack of air conditioner filters provides you with replacements on hand for up to 12 months with regular changes every 60 to 90 days
The Amazon Basics 12x12x1 Air Filter offers MERV 11 filtration. It effectively captures dust and allergens. This six-pack is priced well for routine replacements. Its size fits standard HVAC systems without hassle.
Pros
MERV 11 rating for better allergen capture. Affordable six-pack for regular use. Easy installation in standard air systems.
Cons
May need frequent replacements in dusty environments. Less effective for very small particles compared to higher ratings.
Best for small to medium-sized homes needing solid air filtration.
A good buy for those needing reliable air filters for smaller spaces.
8. Best for Small Spaces
Amazon Basics 12x12x1 Air Filter 6-Pack, MERV 8 AC Furnace, Dust, Pet & Allergen Control , Electrostatic (Actual Size: 11.75" x 11.75" x 0.75")
- SIZE & COMPATIBILITY: Nominal 12x12x1 (Actual 11.75 x 11.75 x 0.75 in). Select nominal size based on your current filter’s frame or measurements. Fits standard furnaces, ACs & HVAC return grilles
- ENHANCED AIR QUALITY: Merv 8 rating air filters effectively captures household irritants like lint, dust, and pollen, to help provide cleaner and healthier air in your home
- IMPROVED FURNACE EFFICIENCY: Designed to promote furnace efficiency and optimization, this furnace air filter traps particles that can cause system wear and tear
- DURABLE CONSTRUCTION & EASY INSTALL: Made with a beverage board frame and wire mesh support, this home air filter provides reliable, long-lasting performance. Insert with the airflow arrow pointing toward the furnace/blower (away from the return grille) for a snug fit
- ELECTROSTATICALLY CHARGED MATERIAL: The air filters are made with synthetic material that is electrostatically charged to attract and capture allergens as small as 3 microns
- CONVENIENT 6-PACK: This convenient 6-pack of air conditioner filters provides you with replacements on hand for up to 12 months with regular changes every 60 to 90 days
The Amazon Basics 12x12x1 Air Filter is a great budget option. It has a MERV 8 rating, capturing basic allergens. This six-pack is economical for regular use in homes. Easy to install in standard HVAC systems.
Pros
Affordable and easy to use. MERV 8 rating for basic allergen capture. Fits standard systems without any problem.
Cons
Not suitable for homes with severe allergy issues. Limited in filtering very small particles.
Well-suited for families needing standard air quality at a low cost.
A practical choice for budget-conscious consumers looking for decent air filters.
Air Filters Compared Side by Side
The table below compares the best cheap air filters. It includes key features and specifications. Use it to determine which product suits you best.
| # | Product | Best for | Brand | Price | Link |
|---|---|---|---|---|---|
| 1 | Amazon Basics 16x20x1 Air Filter 6-Pack | Best Overall | Amazon | $23.66 | Check |
| 2 | Levoit Air Purifier for Home Pets Hair Allergens in… | Best Budget | Levoit | $80.99 | Check |
| 3 | Amazon Basics 20x25x1 Air Filter 6-Pack | Runner-Up | Amazon | $26.72 | Check |
| 4 | Amazon Basics 20x20x1 Air Filter 6-Pack | Best Compact | Amazon | $30.79 | Check |
| 5 | Simply 20x20x1 Air Filter | Best Splurge | MervFilters | $31.93 | Check |
| 6 | VOOPNU Air Purifiers for Home | Best Design | VOOPNU | $26.98 | Check |
| 7 | Amazon Basics 12x12x1 Air Filter 6-Pack | Best for Daily Use | Amazon | $21.07 | Check |
| 8 | Amazon Basics 12x12x1 Air Filter 6-Pack | Best for Small Spaces | Amazon | $22.87 | Check |
| 9 | Core Mini Replacement Filter for LEVOIT Core Mini,Core… | — | Cabiclean | $16.98 | Check |
| 10 | Amazon Basics MERV 5 AC Furnace Air Filter | — | Amazon | $23.85 | Check |
Prices come from Amazon and change often. The price on Amazon at checkout is the one that applies.
How We Reviewed
Where our data comes from
We gathered information from trusted sources like manufacturer websites and customer reviews. We focused on air filters that are popular and well-rated. This helped us find the best options in the affordable segment.
How we built this shortlist
Our shortlist includes filters that fit standard sizes and have good ratings. We looked at over 30 products, narrowing it down based on features like MERV rating and user feedback. This ensures we focus on reliable choices.
What we ruled out and why
We excluded filters without a MERV rating or unclear specifications. If a product had poor reviews about performance or quality, it was removed from consideration. This keeps our list focused on dependable options.
What we did not do
No hands-on testing or lab measurements were performed. Our research did not include personal use or invented scores. We relied on data and reviews to provide an accurate overview.
How often this page is updated
This page is updated regularly to reflect new products and changes in availability. We check for new entries and updates every few months. This ensures you receive the most current information available.
How to Choose Air Filters
Understand MERV Ratings
MERV stands for Minimum Efficiency Reporting Value. It ranges from 1 to 16. A higher MERV rating means better particle capture. For allergens, choose filters with a MERV rating of at least 8 for good performance.
Check the Size
Air filters come in specific sizes. Measure your current filter to find the right one. Common sizes include 16x20x1 and 20x25x1. A proper fit ensures better airflow and filtration.
Consider the Filter Type
There are different types of filters like electrostatic and HEPA. Electrostatic filters attract particles using static electricity, making them effective. HEPA filters capture smaller particles but can be more expensive.
Look for Allergen Control
If you have allergies or pets, select filters designed for allergen control. Filters with higher MERV ratings usually capture more dust, pollen, and pet dander. This helps improve air quality inside your home.
Evaluate Replacement Frequency
Check how often filters need replacement. Most filters should be changed every 1-3 months. Some high-efficiency models may last longer. Regular replacements keep air quality at its best.
What to look for
MERV Ratings
MERV ratings range from 1 to 16. Higher ratings capture smaller particles. MERV 8 to 11 filters are best for households with pets or allergies. These ratings ensure good air quality without overly restricting airflow.
Size Considerations
Air filters come in various sizes, so measuring is key. Always check the actual size of your current filter. A mismatch can lead to ineffective filtration and airflow issues. Use the nominal size as a guide.
Filter Lifespan
Most filters should be replaced every 1-3 months. The lifespan depends on factors like air quality and usage. Regular changes help maintain efficiency. Some filters may last longer but check their specifications.
Electrostatic vs. HEPA
Electrostatic filters attract dust and allergens using static electricity. HEPA filters are designed to capture very small particles but can be pricier. Choose based on specific needs and budget.
Allergen Control
For effective allergen control, choose filters with a MERV rating of at least 8. These filters capture dust, pollen, and pet dander. Higher-rated filters provide better protection for allergy sufferers.
Frequently asked questions
What is the best cheap air filter?
The best cheap air filter is the Amazon Basics 16x20x1 Air Filter 6-Pack, known for its MERV 8 rating that effectively captures allergens.
How often should I change my air filter?
You should replace your air filter every 1-3 months. This depends on your home environment and air quality. Regular changes keep your air clean.
What does MERV stand for?
MERV stands for Minimum Efficiency Reporting Value. It measures how effectively an air filter captures particles. A higher MERV rating means better filtration.
Can I use any size filter in my HVAC system?
No, you must match the size of the filter to your HVAC system. Using the wrong size can reduce efficiency and airflow.
Are electrostatic filters better than HEPA filters?
Electrostatic filters are effective for everyday dust and allergens. HEPA filters capture smaller particles but are usually more expensive. Choose based on your specific needs.
Shopping around? We have 24 more air filter guides for other budgets and use cases.
Sources and standards
Background reading we checked while putting this guide together:
- EPA guide to home air cleaners U.S. Environmental Protection Agency
- EPA radon guidance U.S. Environmental Protection Agency
About the author
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