Top 8 18×18 Air Filter – Home Air Purifier Parts & Accessories

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1. Filtrete


Healthy Living Ultra Allergen, AC Furnace Air Filter, MPR 1500, 6-Pack, Filtrete 18x24x1

Filtrete #ad - Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1 in. A dirty filter will slow down air flow and make the system work harder to keep you warm or cool--wasting energy. The higher the mpr, pet dander, smoke, the more microparticles--such as pollen, bacteria and viruses--your filter will capture from the air passing through it.

Sign-up for a filter change reminder program that works for you! Slim fit and 5 in. 1500 mpr has a rating of MERV 12. Home air filters for your furnace, air conditioner or HVAC system. Designed with exclusive filtrete brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through. And 5 in. For optimal performance of your heating & cooling system or hvac system, change your home air filter at least every 90 days for 1in.

Filters. 54% small particle capture, like bacteria and particles that carry viruses % captured is based on ASHRAE 52. 2 testing for 03 to 1 micron particles from the air passing through the filter, which relates to HVAC industry standard efficiency testing. Thick air filters. Find your size: 1500 mpr available in 4 in.
BrandFiltrete #ad
ManufacturerFiltrete #ad
Height17.81 Inches
Length23.81 Inches
Width0.78 Inches
Part NumberUR21-6PK-1E



RAYAIR SUPPLY 16x25 Dynamic Air Cleaner Replacement Filter Pads 16X25 Refills 3 Pack

RAYAIR SUPPLY #ad - Quality Material. Actual replacement pad size 14. 5" x 22. 5". Three 3 changes fiberglass media pads with activated carbon center per order. Dynamic compatible Replacement Media for a 16x25 Filter. Free shipping.
ManufacturerRAYAIR SUPPLY #ad
Part Number1625D



RayAir Supply 20x25 Dynamic Air Cleaner Replacement Filter Pads 20x25 Refills 3 Pack

RAYAIR SUPPLY #ad - Three 3 changes fiberglass media pads with activated carbon center per order. Dynamic compatible Replacement Media for a 20x25 Filter. Quality Materials. Free shipping. Actual replacement pad size 18. 5" x 22. 5".
ManufacturerRAYAIR SUPPLY #ad
Part Number2025D

4. Tier1


Tier1 18x25x1 Merv 8 Pleated Dust & Pollen AC Furnace Air Filter 6 Pack

Tier1 #ad - Made in the U. S. A. Nova pleat, pleated fabric filter media. Actual size: 17 1/2 inches length x 24 1/2 Inches Width x 3/4 Inches Thickness. Similar to the 3m filtrete Dust & Pollen 18x25x1 Air Filter. 3 month Filter Life.
BrandTier1 #ad
ManufacturerTier1 #ad
Height0.75 Inches
Length17.5 Inches
Weight30 Pounds
Width24.5 Inches
Part NumberP85S_611825_6_PACK

5. LifeSupplyUSA


LifeSupplyUSA Replacement Heavy Duty 20x30x1 Aluminum Electrostatic Washable Air Purifier A/C Filter for Central HVAC Conditioner Furnace Systems

LifeSupplyUSA #ad - Tough heavy duty aluminum frame with mesh design, durably constructed and built to last years. Replace disposable air filters - Filter is symmetrical, can be installed facing which ever side.

Self-charging, these electrostatic air filters use air and static electricity to capture airborne particles, helping to improve your home's ventilation efficiency no electrical connections needed. Size: 20" x 30" x 1" - brand new, By LifeSupplyUSA. Easy to install, and clean vacuum or spray with a low pressure hose and rinse off thoroughly with water, maintain, letting dry before re-installing; recommended every 1-3 months.
BrandLifeSupplyUSA #ad
ManufacturerLifeSupplyUSA #ad
Height1 Inches
Length30 Inches
Weight3.63 Pounds
Width20 Inches
Part NumberER626



RAYAIR SUPPLY 20x25 MicroPower Guard Air Cleaner Replacement Filter Pads 3 Pack Yellow

RAYAIR SUPPLY #ad - Free shipping. Actual replacement pad size 18. 5" x 22. 5". Replacement media designed To Fit MicroPower Guard 20x25 Air Cleaner. Quality Material. Three 3 changes fiberglass media pads with activated carbon center per order.
ManufacturerRAYAIR SUPPLY #ad
Weight1 Pounds
Part Number2025MPG

7. K&N


Smoke, and More, Breathe Cleanly at Home or in the Office, Mold, Washable, Dust, Pollen, Smog, 14x20x1, Merv 11, K&N 14x20x1 HVAC Furnace Air Filter Lasts a Lifetime, Pet Dander, Removes Allergies

K&N #ad - Increase hvac efficiency: Excellent airflow to help maintain HVAC system efficiency. Washable and reusable: Washable for long-term home air filter savings. Save money: save $30 anually compared to disposable filters. Guarnateed quality: Premium design and construction for excellent air filtration. Defend your indoor air quality: Helps reduce contaminents in the air like dust, bacteria, pollen, and pet dander.
BrandK&N #ad
ManufacturerK&N Engineering, Inc. #ad
Height1.12 Inches
Length20.38 Inches
Width14.06 Inches
Part NumberHVC-11420
WarrantyLimited Lifetime

8. Duraflow Filtration


Duraflow Filtration FSR22525 Air Filter Foam Roll Media, Dark Gray, 24" x 25' x 1/4"

Duraflow Filtration #ad - 24inches wide x 25 feet long x 1/4 inch thick. 30 ppi open cell foam. Cuts easily with scissors, knife or shear. Merv 4 rating captures dust, pollen, pet hair, lint and more.
BrandDuraflow Filtration #ad
ManufacturerDuraflow Industries, Inc - #ad
Height3 Inches
Length25 Inches
Width24 Inches
Part NumberFSR22525