Rheem External Filter Rack for 21″ Wide Air Handler Cabinet

Specifications
Typical Application: Upflow - Electric
Duct Configuration: Through
Door Type: Hinged
Door Opening On: 21" Side
Replacement Media Thickness (in.): 1 or 2
Replacement Media Dimensions - Nominal (in.): 20 x 20
Replacement Media Dimensions - Actual (in.): 19 9/16 x 19 9/16
Cabinet Height: 23.2 (in.)
Cabinet Width: 5.2 (in.)
Cabinet Length: 22.5 (in.)
Filter not included