Rheem 17 in. Extension Filter Rack for Air Handler Unit

E-Z Filter Base Mfg 20 x 25 in. 22 ga Filter Base

25 x 20 in. 22 ga Filter Base

Rheem Extension Filter Rack For 24 in. Air Handler Unit

E-Z Filter Base Mfg 20 x 20 in. 22 ga Filter Base

E-Z Filter Base Mfg 20 x 25 in. Filter Base 22 Gauge

E-Z Filter Base Mfg 14 x 25 in. 22 ga Filter Base

Navien Rack Base for NHB Series Condensing Heat Boilers

Ecco Manufacturing 14 in x 25 in Filter Base

Ecco Manufacturing 16 in x 20 in Filter Base

Especial HVAC Sheet Metals 25 x 14 in. Painted Filter Rack

Miami Tech 20 x 18 in. Filter Rack with Door

Rheem Sided Filter Rack

Colorado Box Company 17 in. Flow Right Adjustable Filter Box

Lukjan Metal Products 16 in. Fiberglass Filter Frame with Snap Door

Miami Tech 22 x 20 in. Filter Rack with Door

Colorado Box Company 21 in. Flow Right Filter Box

Rheem Protech™ 22 in. Filter Base Rack

12 in. Filter Frame Box

Southwark Metal 16 in. Filter Rack