Furnaces that take a 12 x 20 filter
24 furnace models in our list take a 12 x 20 filter.
Pick the thickness that matches your old filter:
The maker lists width and height only. Most filter racks next to a furnace hold a 1-inch filter; a separate filter cabinet usually holds a 4- or 5-inch one. Check the thickness printed on the edge of your old filter before you order.
Rheem R962V0403A17M4SCAPRheem R962V0603A17M4SCAPRheem R962V0703A17M4SCAPRheem R962V0705A21M4SCAPRheem R962V0855A21M4SCAPRheem R962V1005A21M4SCAPRheem R96PA0602317MSARheem R96PA0702317MSARheem R96PA0852521MSARheem R96PA1002521MSARheem RGTC-04EMAESRheem RGTC-06EMAESRheem RGTC-07ERBGSRheem RGTC-09EZAJSRuud R962V0403A17M4SCAPRuud R962V0603A17M4SCAPRuud R962V0703A17M4SCAPRuud R962V0705A21M4SCAPRuud R962V0855A21M4SCAPRuud R962V1005A21M4SCAPRuud R96PA0602317MSARuud R96PA0702317MSARuud R96PA0852521MSARuud R96PA1002521MSA