Furnace Accessories

Filters

Skip to Results

Search Within Category

Search Within Category

Brands

Height (In.)

Length (In.)

Refrigerant

Shipping Weight (lbs)

Width (In.)

Manufacturer

Matching Furnace Cabinet Width (In.)

Nominal Filter Size (In.)

Nominal Filter Thickness (In.)

58 Items

Sort & Filters

Sort by:

Best MatchProduct: A to ZProduct: Z to ABrand: A to ZBrand: Z to A

Sort by:

Best Match

content loaded

16" X 20" X 1" Metal Filter Frame Rack

SKU #:FR16201D-ECCMFG #:599627

Price Not Available

16" X 25" X 1" Metal Filter Frame Rack

SKU #:FR16251D-ECCMFG #:599629

Price Not Available

16" X 25" X 2" Metal Filter Frame Rack

SKU #:FR16252D-ECCMFG #:599614

Price Not Available

16" X 25" X 3" Metal Filter Frame Rack with Door

SKU #:FR1625/D-MPMMFG #:FR1625/D

Price Not Available

16" X 25" X 3" Metal Filter Frame Rack without Door

SKU #:FR1625-MPMMFG #:FR1625

Price Not Available

16" X 25" X 4" Metal Filter Frame Rack

SKU #:FR16254D-ECCMFG #:599637

Price Not Available

20" X 20" X 1" Metal Filter Frame Rack

SKU #:FR20201D-ECCMFG #:599628

Price Not Available

20" X 20" X 2" Metal Filter Frame Rack

SKU #:FR20202D-ECCMFG #:599613

Price Not Available

20" X 20" X 4" Metal Filter Frame Rack

SKU #:FR20204D-ECCMFG #:599639

Price Not Available

20" X 25" X 1" Metal Filter Frame Rack

SKU #:FR20251D-ECCMFG #:599641

Price Not Available

20" X 25" X 2" Metal Filter Frame Rack

SKU #:FR20252D-ECCMFG #:599615

Price Not Available

20" X 25" X 3" Metal Filter Rack

SKU #:FR2025-MPMMFG #:FR2025

Price Not Available

20" X 25" X 4" Metal Filter Frame Rack

SKU #:FR20254D-ECCMFG #:599638

Price Not Available

Allied Air

Allied 1 Stage LP to NG Conversion Kit

SKU #:604913-02-ALDMFG #:73W32

Price Not Available

Allied Air

Allied 1 Stage LP to NG Conversion Kit

SKU #:604913-04-ALDMFG #:73W80

Price Not Available

Allied Air

Allied 1 Stage NG to LP Conversion Kit

SKU #:11K50-ALDMFG #:11K50

Price Not Available

Allied Air

Allied 14-1/2" Downflow Combustible Floor Base

SKU #:11M59-ALDMFG #:11M59

Price Not Available

Allied Air

Allied 14-1/2" Return Air Base

SKU #:605416-01-ALDMFG #:68W61

Price Not Available

Allied Air

Allied 16" X 25" External Filter Rack Kit | 1 Pack

SKU #:AFILT524-1-ALDMFG #:1.841018

Price Not Available

Allied Air

Allied 16" X 25" External Filter Rack Kit | 10 Pack

SKU #:AFILT10PAK575-1-ALDMFG #:1.841039

Price Not Available

Allied Air

Allied 17-1/2" Downflow Combustible Floor Base

SKU #:11M60-ALDMFG #:11M60

Price Not Available

Allied Air

Allied 17-1/2" Return Air Base

SKU #:68W62-ALDMFG #:68W62

Price Not Available

Allied Air

Allied 2 Stage LP to NG Conversion Kit

SKU #:77W10-ALDMFG #:77W10

Price Not Available

Allied Air

Allied 2 Stage NG to LP Conversion Kit

SKU #:11K48-ALDMFG #:11K48

Price Not Available

Allied Air

Allied 2" and 3" Flush Mount Termination Vent Kit | Canadian Version

SKU #:605384-02-ALDMFG #:51W12

Price Not Available

Allied Air

Allied 2" and 3" Flush Mount Termination Vent Kit | US Version

SKU #:51W11-ALDMFG #:51W11

Price Not Available

Allied Air

Allied 21" Downflow Combustible Floor Base

SKU #:11M61-ALDMFG #:11M61

Price Not Available

Allied Air

Allied 21" Return Air Base

SKU #:605416-03-ALDMFG #:68W63

Price Not Available

Allied Air

Allied 24-1/2" Return Air Base

SKU #:68W64-ALDMFG #:68W64

Price Not Available

Allied Air

Allied 80% and 90% Horizontal Suspension Kit

SKU #:604889-01-ALDMFG #:51W10

Price Not Available

Allied Air

Allied Blower Relay Kit

SKU #:608261-01-ALDMFG #:85W66

Price Not Available

Allied Air

Allied Constant Torque Gas Furnace Twinning Kit

SKU #:ATWIN580-ALDMFG #:16W72

Price Not Available

Allied Air

Allied Electrode Sensor

SKU #:13H27-ALDMFG #:13H27

Price Not Available

Allied Air

Allied High Altitude 1 Stage NG to LP Conversion Kit

SKU #:604915-10-ALDMFG #:11K45

Price Not Available

Allied Air

Allied High Altitude 2 Stage NG to LP Conversion Kit

SKU #:604915-12-ALDMFG #:11K47

Price Not Available

Allied Air

Allied High Altitude Natural Gas Orifice Kit

SKU #:604916-02-ALDMFG #:51W01

Price Not Available

Allied Air

Allied NG to LP Conversion Kit

SKU #:68W77-ALDMFG #:68W77

Price Not Available

Allied Air

Allied Night Service Kit

SKU #:605927-11-ALDMFG #:84W50

Price Not Available

Allied Air

Allied Night Service Kit

SKU #:605927-23-ALDMFG #:10U95

Price Not Available

16" X 20" X 1" Metal Filter Frame Rack

SKU #:FR16201D-ECCMFG #:599627

Price Not Available

16" X 25" X 1" Metal Filter Frame Rack

SKU #:FR16251D-ECCMFG #:599629

Price Not Available

16" X 25" X 2" Metal Filter Frame Rack

SKU #:FR16252D-ECCMFG #:599614

Price Not Available

16" X 25" X 3" Metal Filter Frame Rack with Door

SKU #:FR1625/D-MPMMFG #:FR1625/D

Price Not Available

16" X 25" X 3" Metal Filter Frame Rack without Door

SKU #:FR1625-MPMMFG #:FR1625

Price Not Available

16" X 25" X 4" Metal Filter Frame Rack

SKU #:FR16254D-ECCMFG #:599637

Price Not Available

20" X 20" X 1" Metal Filter Frame Rack

SKU #:FR20201D-ECCMFG #:599628

Price Not Available

20" X 20" X 2" Metal Filter Frame Rack

SKU #:FR20202D-ECCMFG #:599613

Price Not Available

20" X 20" X 4" Metal Filter Frame Rack

SKU #:FR20204D-ECCMFG #:599639

Price Not Available

20" X 25" X 1" Metal Filter Frame Rack

SKU #:FR20251D-ECCMFG #:599641

Price Not Available

20" X 25" X 2" Metal Filter Frame Rack

SKU #:FR20252D-ECCMFG #:599615

Price Not Available

20" X 25" X 3" Metal Filter Rack

SKU #:FR2025-MPMMFG #:FR2025

Price Not Available

20" X 25" X 4" Metal Filter Frame Rack

SKU #:FR20254D-ECCMFG #:599638

Price Not Available

Allied Air

Allied 1 Stage LP to NG Conversion Kit

SKU #:604913-02-ALDMFG #:73W32

Price Not Available

Allied Air

Allied 1 Stage LP to NG Conversion Kit

SKU #:604913-04-ALDMFG #:73W80

Price Not Available

Allied Air

Allied 1 Stage NG to LP Conversion Kit

SKU #:11K50-ALDMFG #:11K50

Price Not Available

Allied Air

Allied 14-1/2" Downflow Combustible Floor Base

SKU #:11M59-ALDMFG #:11M59

Price Not Available

Allied Air

Allied 14-1/2" Return Air Base

SKU #:605416-01-ALDMFG #:68W61

Price Not Available

Allied Air

Allied 16" X 25" External Filter Rack Kit | 1 Pack

SKU #:AFILT524-1-ALDMFG #:1.841018

Price Not Available

Allied Air

Allied 16" X 25" External Filter Rack Kit | 10 Pack

SKU #:AFILT10PAK575-1-ALDMFG #:1.841039

Price Not Available

Allied Air

Allied 17-1/2" Downflow Combustible Floor Base

SKU #:11M60-ALDMFG #:11M60

Price Not Available

Allied Air

Allied 17-1/2" Return Air Base

SKU #:68W62-ALDMFG #:68W62

Price Not Available

Allied Air

Allied 2 Stage LP to NG Conversion Kit

SKU #:77W10-ALDMFG #:77W10

Price Not Available

Allied Air

Allied 2 Stage NG to LP Conversion Kit

SKU #:11K48-ALDMFG #:11K48

Price Not Available

Allied Air

Allied 2" and 3" Flush Mount Termination Vent Kit | Canadian Version

SKU #:605384-02-ALDMFG #:51W12

Price Not Available

Allied Air

Allied 2" and 3" Flush Mount Termination Vent Kit | US Version

SKU #:51W11-ALDMFG #:51W11

Price Not Available

Allied Air

Allied 21" Downflow Combustible Floor Base

SKU #:11M61-ALDMFG #:11M61

Price Not Available

Allied Air

Allied 21" Return Air Base

SKU #:605416-03-ALDMFG #:68W63

Price Not Available

Allied Air

Allied 24-1/2" Return Air Base

SKU #:68W64-ALDMFG #:68W64

Price Not Available

Allied Air

Allied 80% and 90% Horizontal Suspension Kit

SKU #:604889-01-ALDMFG #:51W10

Price Not Available

Allied Air

Allied Blower Relay Kit

SKU #:608261-01-ALDMFG #:85W66

Price Not Available

Allied Air

Allied Constant Torque Gas Furnace Twinning Kit

SKU #:ATWIN580-ALDMFG #:16W72

Price Not Available

Allied Air

Allied Electrode Sensor

SKU #:13H27-ALDMFG #:13H27

Price Not Available

Allied Air

Allied High Altitude 1 Stage NG to LP Conversion Kit

SKU #:604915-10-ALDMFG #:11K45

Price Not Available

Allied Air

Allied High Altitude 2 Stage NG to LP Conversion Kit

SKU #:604915-12-ALDMFG #:11K47

Price Not Available

Allied Air

Allied High Altitude Natural Gas Orifice Kit

SKU #:604916-02-ALDMFG #:51W01

Price Not Available

Allied Air

Allied NG to LP Conversion Kit

SKU #:68W77-ALDMFG #:68W77

Price Not Available

Allied Air

Allied Night Service Kit

SKU #:605927-11-ALDMFG #:84W50

Price Not Available

Allied Air

Allied Night Service Kit

SKU #:605927-23-ALDMFG #:10U95

Price Not Available