Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 4 Pack
Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 4 Pack
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Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 4 Pack

4.7 stars out of 1799 reviews
(4.7)|
1,799 ratings

Key item features

  • MAKE YOUR HOME YOUR SANCTUARY: 1-pack of 3-month pleated Filtrete 20x25x1 MERV 11 MPR 1000 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment
  • EXCLUSIVE TECHNOLOGY: Designed with Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
  • COUNTLESS MICROPARTICLES: With a 1000 MPR and MERV 11 rating, your Filtrete Filter will help capture many microparticles from the air passing through it
  • CERTIFIED: This furnace filter is CERTIFIED asthma and allergy-friendly (2) and helps capture dust, lint and other allergens in your household air
  • CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your filter at least once every 90 days
  • VERSATILE USES: Works for changing the air filters in your furnace, air conditioner/heating system or HVAC system
  • SMART APP: Use the Filtrete Smart App (iOS or Android) to set 30-, 60- or 90-day reminders to change your air filter
  • MOST TRUSTED: Filtrete Brand is North America’s most trusted brand of HVAC Filters, based on 2024 Sago US Brand Health Survey of Residential HVAC Air Filters
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4.7 out of 5 stars
stars1,799 ratings645 reviews
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Showing 1-3 of 645 reviews

Apr 3, 2026
Deborah
Top Reviewer
Item details
Air filter size: 20 x 25 x 1
5 out of 5 stars review

Verified Purchase

my favorite brand. always has performed 100% for me. last heat pump installation, lasted 27 yrs. i believe truly to keeping these good filters changed regularly. a tip: add painters tap around the perimeter of the filter when installing it. a hvac man said it cuts dust going into the unit/your house. it worked

Helpful?6GISLJPP32W4919966474
Feb 28, 2026
LA
Top Reviewer
Walmart Associate
Item details
Size: 20" x 25" x 1"
5 out of 5 stars review

Verified Purchase

Eliminates stank from intake air where HVAC is.

I can tell when we put a fresh one of these in as the unit is in the half stand up crawlspace with GA Red Mold…i mean CLAY! It has a special odor of rot and decay all it's own under there. While the HVAC itself was replaced 2 years ago in the place we rent, the ductwork is 40 years old and is disgusting. At least the air coming ‘through them' is cleaner when using these filters! Without these good quality filters the red mold dirt and rot smell would mix with the aged duct mildew, dust and rust smell. My senses would be truly be offended at that!

Helpful?6GISLJPP32W4919966474
Oct 16, 2025
Gena
Item details
Air filter size: 20 x 25 x 1
5 out of 5 stars review

Verified Purchase

Its too early to tell. I am waiting to see how long it will last. If it needs to be changed before 3 months then the product is well worth the price. If it goes pto 3 month depending on the condition it may be worth it. If the time spans longer then it is probably not worth it.

Helpful?6GISLJPP32W4919966474