L-D25 Square-Rectangular Manual Damper

Casing: 24-gauge galvanized steel.

Dimensions:

· Square Type: Nominal Size A or B (width and height) ranges from 6" to 30" in 2" increments.

· Rectangular Type: Nominal Size A (width) ranges from 8" to 30" in 2" increments. Nominal Size B (height) ranges from 6" to 28". Size A must always be greater than Size B.

Inlet and Outlet Connection: Rectangular/square opening for “on-face” mounting. This means the damper is installed onto the opening, so that only the face of the damper is in the airstream.