True Blue 20 x 25 x 6 FPR 6 Air Cleaner Filter S101.1 - The Home Depot
20x25x6 MERV11 White-Rodgers Air Filters - $30.50/ea.
Space Gard 20x25x6 Furnace Filter MERV 11 2 Pack
Filterbuy 20x25x6 Air Filter MERV 8, Pleated Replacement HVAC AC Furnace Filters for Aprilaire Space-Gard (2-Pack, Silver) - - Amazon.com
20x25x6 Astro-Guard Activated Carbon Merv 11 Replacement for Aprilaire 201 | Air Filters, Inc.
Filters Fast Compatible Replacement for Aprilaire SpaceGard 2200 2250 20x25x6 Air Filter MERV 13 Pleated AC Furnace Air Conditioner Filters Actual Size: 19 3/4 x 24 1/4 x 6 3/8, 2-Pack - - Amazon.com
20x25x6 Air Filters | Air Filter Replacement FilterTime™
Bestair Pro SGMPR-2 $42.55 20x25x6 Synthetic Furnace Air Cleaner Filter, MERV 11 | Zoro.com
20x25x6 Space-Gard and Aprilaire Air Filter Home – Your Filter Connection