Top 10 Permanent Air Filter 20X20X1 – Furnace Filters

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1. K&N

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Lasts a Lifetime, Merv 11, Washable, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office Actual Dimensions.8 x 19.6 x 19.6 inches, K&N 20x20x1 HVAC Furnace Air Filter

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K&N #ad - Save money: save $30 annually compared to disposable filters. The last hvac filter you will ever buy: washable for long-term home air filter savings.

Increase hvac efficiency: Excellent airflow to help maintain HVAC system efficiency. Direct replacement: Designed to fit directly into your filter register. Guarnateed quality: Premium design and construction for excellent air filtration. Improves air quality: Helps capture dust, pollen, and other contaminants. Merv 11: superior Filtration. Easy to clean: remove filter, rinse with low pressure hose, let filter dry, apply K&N HVAC filter cleaner, return filter to housing.
BrandK&N #ad
ManufacturerK&N Engineering, Inc. #ad
Height1.18 Inches
Length20.38 Inches
Weight2.8 Pounds
Width20.06 Inches
Part NumberHVC-12020
Model20x20x1
WarrantyLimited Lifetime

2. Venti Tech

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Reduces HVAC Stress, Washable Permanent Electrostatic Air Filter 20x20x1 by Venti Tech – HVAC System Filter – Captures Particles for Healthier Home Environment – Increases Airflow

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Venti Tech #ad - No more disposable filters – reusable air filter that can be washed as needed. Save money in the long run – stop wasting money on disposable filters and invest in a reusable, washable filter that will last a lifetime.

Its better air circulation will lower energy costs too! Satisfaction guaranteed – venti tech is committed to your satisfaction. Premium air quality – remove dirt, dust, and other particles. If there’s anything wrong with your order please contact us directly or contact Amazon Customer Support. Extend the lifespan of your hvac system – improve air flow and automatically reduce stress on the equipment.
BrandVenti Tech #ad
ManufacturerVenti Tech #ad
Height0.88 Inches
Length19.75 Inches
Width19.75 Inches
Part NumberCM-VT-EAF20251

3. BUYFILTERSONLINE / SFC

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6 STAGE ELECTROSTATIC AIR FILTER HOME WASHABLE PERMANENT LASTS A LIFETIME FURNACE OR A/C USE NON-RUSTING ALUMINUM FRAME HEAVY DUTY HIGH DUST HOLDING CAPACITY JUST RINSE DRY & REUSE 20X20X1

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BUYFILTERSONLINE / SFC #ad - Electrostatic lifetime. Heavy duty durable super long life. Super low airflow restriction. Washable permanent home furnace air filter. Maximum dust and particle caputre.
BrandBUYFILTERSONLINE / SFC #ad
ManufacturerBUYFILTERSONLINE / SFC #ad
Part NumberEL ELECTROSTATIC BETTER THAN BOAIR
ModelEL - ELECTROSTATIC LIFETIME WASHABLE
WarrantyFREE FROM DEFECTS WITH REGARDS TO ALL QUALITY OF MATERIALS AND WORKMANSHIP!

4. AIRCARE

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20 x 21-1/2 x 1 Electrostatic Washable Permanent A/C Furnace Air Filter 20x21-1/2x1

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AIRCARE #ad - Replaces disposable furnace filters. Permanent & washable - Just hose off and reinstall. Self-charging electrostatic filter media - does not require electricity. Lifetime warranty. Traps 95% of airborne dust and allergens.
BrandAIRCARE #ad
Part NumberAC202151
ModelAC202151

5. All-Filters

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Electrostatic Washable Permanent A/C Furnace Air Filter 20X20X1

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All-Filters #ad - Limited Lifetime Warranty. Electro-static polypropylene mesh Polyester media Heavy duty Extruded Aluminum frame Aluminum wire mesh screening. Traps 95% of airborne dust and allergens. Made in USA. Permanent & washable - Just hose off and reinstall.
BrandAll-Filters #ad
ManufacturerAll-Filters, Inc #ad
Part NumberES SERIES
WarrantyLimited lifetime.

6. All-Filters

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20x20x1 Electrostatic Washable Permanent A/C Furnace Air Filter

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All-Filters #ad - Traps 95% of airborne dust and allergens. Limited Lifetime warranty. Permanent & washable - Just hose off and reinstall. Made in USA. Electro-static polypropylene mesh Polyester media Heavy duty Extruded Aluminum frame Aluminum wire mesh screening.
BrandAll-Filters #ad
ManufacturerAll-Filters, Inc #ad
Weight1 Pounds
Part NumberES-9929
ModelEL20201N

7. BFO/BUYFILTERSONLINE

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AIR FILTER PLEATED FOAM PERMANENT WASHABLE BEATS ELECTROSTATIC LASTS FOREVER ALUMINUM NOT CHEAP RUSTING GALVANIZED +FREE SUPER MICROFIBER DUSTING CLOTH 20X20X1

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BFO/BUYFILTERSONLINE #ad - Washable - simply rinse and REUSE. Permanent lasts forever. Saves you 100's of dollars. Aluminum metals will not corrode like others with galvanized! Pleated design for high airflow & low restriction.
BrandBFO/BUYFILTERSONLINE #ad
ManufacturerBFO FOAM SPECIALTIES #ad
Weight0.64 Pounds
Part NumberBFO+MF CLOTH
ModelBFO_PF
WarrantyBeware of other washable filters that are cheap galvanized with a 10 cent white polyester pad in the middle! Total junk! OUR FILTERS ARE MADE WITH 100% ALUMINUM WHICH WILL NOT RUST OR CORRODE OVER TIME! ALL OF THE COMPETITIVE FILTERS ON THE MARKET USE GALVANIZED GRIDS AND FRAME AND WILL CORRODE AND GET CHALKY WHICH GETS INTO YOUR AIR AND LUNGS! DO A MAGNET TEST, IT STICKS TO THEIR FILTERS BECAUSE THEY WILL RUST, BUT WILL NOT STICK TO OUR ALUMINUM. 100% WARRANTY AGAINST WORKMANSHIP AND MATERIALS FOR LIFE!

8. MF_EL

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Superb 6 Stage Electrostatic Home Air Filter Washable Permanent with Microfiber Dust Cloth for Furnace or AC Lasts Forever 16X20X1

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MF_EL #ad - Premium industrial grade. Free super dusting microfiber cloth included. All aluminum never rusts like others w/galvanized. Electrostatic air filter. Lifetime warranty.
BrandMF_EL #ad
ManufacturerBFO #ad
ModelMFEL
WarrantyLIFETIME WARRANTY AGAINST MATERIALS AND WORKMANSHIP. FREE REPLACEMENT UPON RETURN OF DEFECTIVE ITEM.

9. LifeSupplyUSA

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20x20x1 Aluminum Electrostatic Air Filter Replacement Washable Air Purifier A/C Filter for Central HVAC by LifeSupplyUSA

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LifeSupplyUSA #ad - Be sure to let the filter completely dry before re-installing. Save money: air filters are designed with high quality components to protect your AC HVAC or Furnace, Increase Airflow, and Reduce HVAC Stress.

Rugged aluminum frame prevents corrosion or rust to the filter, while the mesh design makes the filter easier to wash and maintain. Great air quality: rated at merv 8 - Best to purify the air and efficient for a Healthier Home Environment. Recommended every 1-3 months to vacuum or spray with a low-pressure hose and rinse off thoroughly with water. Most effective: self-charging, these electrostatic air filters use air and static electricity to capture airborne particles, helping to improve your home's ventilation efficiency.

Easy to install and clean: 20" x 20" x 1" - filter is symmetrical, can be installed facing which ever side. Used by professionals: lifesupplyusa electrostatic air filters are made tough heavy duty aluminum frame with mesh design to be durable & efficient for years.
BrandLifeSupplyUSA #ad
ManufacturerLifeSupplyUSA #ad
Height1 Inches
Length19.5 Inches
Weight2.5 Pounds
Width19.5 Inches
Part NumberERE624

10. Carter Goods

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20X20X1 CARTER | MERV 8 | Lifetime HVAC & Furnace Air Filter | Washable Electrostatic | High Dust Holding Capacity

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Carter Goods #ad - High 94% dust arrestance | low 012" wg air resistance Rating | 300 FPM Flow. Merv 8 | ashrae tested |Limited Lifetime Warranty. Fully washable | electrostatic | 165 grams Dust Holding Capacity PLUS. Need to get in a tight spot? Check out Carter Flexible Frame Filters in all standard size's. Premium quality extruded Metal Mesh | Gold anodized aluminum frame.
BrandCarter Goods #ad
ManufacturerCarter Goods #ad
Height1 Inches
Length20 Inches
Width20 Inches
Part Number249768
ModelGOL-20X-20X-1-Q1
WarrantyCarter Goods, warrants its filters to be free from defects in material and workmanship, to the original purchaser, for the life of the unit in which it is installed. If a filter is determined to be defective in materials or workmanship, it will be repaired or replaced without charge to the customer. For claims under this warranty, defective filters should be returned to the place of purchase along with proof of purchase, an explanation of the defect. this limited warranty covers materials and workmanship only and shall not apply to any filter which has been modified or altered in any way, or which has been subject to misuse, excessive heat, exposure to ultraviolet, or improper installation. Customer disassembly of the filter will void this warranty. Other than this written warranty, there are no other warranties expressed, implied, or otherwise made regarding the merchantability or fitness of this product for a particular use. This warranty gives you specific legal rights and you may have other legal rights which vary from state to state. please read the cleaning instructions and technical information enclosed with the filter. You will also receive monthly reminders to clean your filter, to which you can unsubscribe at any time.