AIRX FILTERS WICKED CLEAN AIR. 20x25x4 Compatible Replacement for Honeywell 20x25x4 Air Filter MERV 11 HVAC AC Furnace FC100A1037 1-Single Filter - Amazon.com
Trophy Air Washable Electrostatic HVAC Furnace Air Filter, Lasts a Lifetime, 6 Stage Permanent Air Filter, Healthier Home or Office, Made in The USA - Increases Airflow (20x25x1) - Amazon.com
Filtrete 20x25x4, AC Furnace Air Filter, MPR 1000 DP, Micro Allergen Defense Deep Pleat, 2-Pack, Fits Lennox & Honeywell Devices exact dimensions 19.88 x 24.63 x 4.31 - Walmart.com
Silver 94% 4" Electrostatic Washable HVAC Furnace Filter 20" x 25" x 4"
Filtrete 20x25x4, AC Furnace Air Filter, MPR 1550 DP, Healthy Living Ultra Allergen Deep Pleat, 2-Pack (Actual 19.88 x 24.63 x 4.31) - Amazon.com
Filtrete 20x25x4 Air Filter, MPR 1200 MERV 11, Allergen Reduction Deep Pleat, 1 Filter - Walmart.com
TriDim, 20x25x4 Pro Merv7 Pleated 3Mos 4in. Air Filter 6Pk, Width 20 in, Height 25 in, Filters (qty.) 6, Model# 2302025440 | Northern Tool