The Master Flow 16 in. x 25 in. Dual Filter Plenum Kit is an air return plenum exclusively for horizontal HVAC unit applications. It allows the user to install a 1 in. filter or a 4 in. filter (filters not included). The kit is shipped knocked down. Assembly is required for installation. The removal of a partial cover allows the plenum to fit over air system.
- 28 gauge galvanized steel construction
- Assembled dimensions: 30 in. tall x 16 in. wide x 25 in. deep
- Designed for 16 in. x 25 in. x 1 in. and/or 16 in. x 25 in. x 4 in. filter (not included)
- Snap lock design for easy assembly
- Not insulated
- Installs on furnace











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