Aerostar Air Filter 20x25x4 MERV 11 AC Filter, HVAC, Furnace Filter, 4 Pack | ACTUAL SIZE (19.50 x 24.50 x 3.75) AC Filter, Furnace Filter, Dust, Pet Dander, Smoke & Allergies MERV 11 (MPR 1200) 4 PACK Advanced MERV 11

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• D

  Deep

  20 de mayo de 2025

  Great product for your money.

  Good product. Works good. Best for money spent. Air quality is great .

• D

  Dave A.

  14 de octubre de 2025

  Good filters. Don't accept a damaged box.

  Good product. Bought several times. Previously I had gotten a box with one side punched in so the filters were somewhat deformed. I don't like to return things I can make work and I figured they'd still go into the filter housing and would be usable and they were.The problem was getting them out. The deformation caused some of the paperboard to stick up and those areas would catch on the edges of the housing when I pulled the filter out. Had to either just tear them out or, if just checking and not wanting to destroy one, I'd have to use a putty knife to hold the edges down and work them out.Lesson learned! If I get another box like that I'll will reluctantly return them.Ver másVer menos

  1 persona la encontró útil

• J

  JC

  6 de octubre de 2022

  These filters are thinner and smaller than the originals they replaced.

  The price was less, but since I’ve just replaced the last original I had. So the jury is out on how well they work.

  1 persona la encontró útil

• S

  SuperOldSchool

  2 de mayo de 2019

  Decent build quality, but slightly undersized

  These filters appear fairly well made, however as others have said, they are slightly undersized and need some finagling to fit tightly. I used a flap of cardboard as a lift / support to tighten the fit in the housing.

• J

  Jgpapillon

  15 de noviembre de 2023

  Decent quality ay better price than offerings at big DIY stores

  I have to replace my filters every 6 months and these are easy to install and are cheaper than what I could find (if I can even find them) at Lowes or Home Depot. They are not cheap but nothing is these days....

• P

  PK

  10 de mayo de 2026

  Suboptimal fitting

  Does not fit all the way in gets stuck due to flimsy material.

• M

  Michael L Dye

  30 de enero de 2026

  Filters

  Cheaper then the big box stores and great quality.

• A

  Amazon Customer

  13 de septiembre de 2025

  Inexpensive Merv 11

  Well made inexpensive Merv 11 helps my wife with her allergies.

• P

  ProjectMan

  15 de octubre de 2018

  Great deal on air filters

  The price is great to stock up on these 20x25x4 furnace air filter. They are much cheaper than the MERV 8 filters sold at major hardware stores in the city. So you get better filtration, better price and delivered right to your door. What could be better?

• A

  Amazon Customer

  14 de abril de 2019

  Perfect fit in the furnace

  Fit perfectly in the furnace, delivered right to my door and priced competitively.

• B

  Bvidicek

  9 de noviembre de 2018

  On time delivery and quality

  Liked everything

• I

  IP_3lee

  27 de septiembre de 2019

  Product is good but shipping causes damage.

  Filters are ok but, due to there weak shipping box there is a high chance for damage.