- $59.99Air-Care Flexible AC/Furnace Filter, 20 in. x 20 in.Tractor Supply
- SAVE $30.00$29.99$59.99Air-Care Premium Permanent Washable AC Furnace Filter, 12 in. x 12 in. x 1 in.Tractor Supply
- $5.9820 in. x 20 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8The Home Depot
- $30.99Washable Electrostatic Air Filter for AC or Furnace Air-Care Size: 30" H x 10" W x 1" DWayfair
- $34.99Furnace Air FilterWayfair
- SAVE $2.01$23.98$25.99Air Vent Filters 20''x90'', High Air Flow Cut to Size(80+Filters) MERV 8 Electrostatic Floor Vent Filter for Floor Registers, RV, AC, Ceiling, Grilles and Wall HVAC Furnace Vents, 48PCs Adhesive HookAmazon
- SALESave on UBeesize 18x20x1 Reusable Electrostatic Air Filter HVAC AC Furnace Filter,MERV 8,Washable,Lasts a Lifetime,Permanent Air Filter,Breathe Fresher,Home And Office(Actual Size:17.52x19.61x0.86Inch) and moreAmazon・Sale
- SALEUBeesize 20x25x4 Reusable Electrostatic Air Filter HVAC AC Furnace Filter,Washable, Lasts a Lifetime,Permanent Filter,for Honeywell FC100A1037, Lennox X6673, and More(Actual Size:19.37x24.37x3.58Inch)Amazon・Sale
- SALESave on Demiwise 20x20x1 Electrostatic Air Filter, MERV 8 Washable Aluminum AC/HVAC Furnace Filter, Reusable Permanent Air Filter, Lasts a Lifetime, Easy to Install, Healthier Home/Office Environment and moreAmazon・Sale
- SALEUBeesize 20x24x1 Reusable Electrostatic Air Filter HVAC AC Furnace Filter,MERV 8,Washable,Lasts a Lifetime,Permanent Air Filter,Breathe Fresher,Home And Office(Actual Size:19.61x23.39x0.86Inch)Amazon・Sale
- SALEDemiwise 16x20x1 Electrostatic Air Filter, MERV 8 Washable Aluminum AC/HVAC Furnace Filter, Reusable Permanent Air Filter, Lasts a Lifetime, Easy to Install, Healthier Home/Office EnvironmentAmazon・Sale
- SALESave on UBeesize 12x12x1 Reusable Electrostatic Air Filter HVAC AC Furnace Filter,MERV 8, Washable, Lasts a Lifetime,Permanent Air Filter,Breathe Fresher,Home And Office(Actual Size:11.69x11.69x0.86 Inch) and moreAmazon・Sale
- SALEUBeesize 20x20x1 Reusable Air Filter - Washable, MERV 8,Permanent, Electrostatic - Lasts a Lifetime - Enjoy Fresher Air in Home and Office HVAC AC Furnace Systems (Actual Size: 19.75x19.75x0.86 Inch)Amazon・Sale
- SALEDemiwise 14x14x1 Electrostatic Air Filter, 8 Stage Washable Aluminum AC/HVAC Furnace Filter, Reusable Permanent Air Filter, Lasts a Lifetime, Easy to Install, Healthier Home/Office EnvironmentAmazon・Sale