Review on 🌬️ Aerostar 20x20x1 MERV 13 Pleated Air Filter - 6 Pack for AC Furnace - High Efficiency - Actual Size: 19 3/4" x 19 3/4" x 3/4 by Adam Browning

They are wonderful. Everything I had hoped for. I like that they are Merv 13 (default filter quality rating. Standard Residential is 1 to 4, Best Residential is 5 to 8, Superior Residential is 9 to 12 and Hospital is 13 to 16. Expect MERV filter level to be 11 removes 60-65% of dust particles) I would buy a level 16 MERV filter if I could, but it's hard to find a better household filter and often it's not worth the money. I bought these to upgrade to 12x24. air intake. I buy aftermarket register caps from Lowes and install them myself. What an amazing update. We've gone from one filter on the stove to two coil filters (this one) and the stove block. I would recommend this easy DIY and these filters to everyone. We built our house and I replaced them monthly. In the first month we had a good handful of dust. We are so glad we avoided this in our air and in our new oven. We will definitely buy them again in the future.