Fantech Roof Mount Damper 5ACC27RD, 27" x 27"

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".

Heavy duty motorized volume control dampers. The 1-1/2" flanged frame has welded corners for added strength. The 6" wide blades are center-pivoted for a full 90 degree rotation with parallel blade action. The stainless steel jamb seals help in keeping out light, air, and moisture. The dampers can be used for exhaust or supply applications and can be mounted in either a vertical or horizontal position; typically walls or curbs. Comes standard with an internally mounted factory installed 100-240 volt power open / spring close motor with end switches. MADE IN THE USA

The RE/REC Series of direct drive centrifugal fans provide an excellent solution for residential or commercial ventilation applications where the fan must be mounted on the exterior of the building. Two base styles are available: RE models with a flat base for direct flashing to the roof or REC models with flanged base for curb mounting. RE models can also be mounted on an exterior wall when roof access is not suitable. Features: 100% speed controllable Suitable for airstream temperatures of up to 140° F Excellent heat dissipation for long motor life Built-in thermal overload ...