Fantech Roof Mount Damper 5ACC12RD, 12" x 12"

Drainable Blade Fixed Louvers - The Model DFL offers excellent resistance to rain and weather. The drainable blade design channels water away from the blades and down the jambs. This eliminates water cascading from blade to blade. The channel frame is 4" deep with a 1-1/2" flange and drainable 37-45 degree blades. Comes standard with a birdscreen on the back. Made in the USA

An exhaust diffuser for installation on ceiling or wall. It can also be used for supply air. The diffuser has a lockable central cone which is rotated to adjust the pressure and consequently the air volume. Manufactured from sheet steel with a white powder- coated finish.

Mounting clips which facilitate the installation and removal of fans for service and cleaning. Made from galvanized sheet steel and fitted with neoprene lining which suppresses vibrations and ensures a tight fit. The mounting clips are clamped together by two screws which allow for small differences in dimension.

American Louver Balancing Damper, Radial, Galvanized steel, 12", PK10 Galvanized steel radial damper helps to control air flow through air vents. Easily adjust opening with a screw driver. Fits on diffusers with 12" neck. Package of 10. Available in 6", 8", 10", 12", and 14".

The grille has a shielding device for producing a directional distribution pattern and has an adjustable gap grilles. The grille is manufactured from sheet metal with a white powder-coated finish.