Combination Louver / Damper with Flange 36"W x 54"H - ACL-F-36x54

ACP, ACL-F-60x48, Combination Louver / Damper with Flange 60"W x 48"H Combination Louver / Damper - The Model ACL offers superior resistance to rain and weather while also offering you the ability to completely close the opening off if needed. The channel frame is 4" deep with a 1-1/2" flange and drainable 45 degree fixed blades in the front with adjustable blades with seals for tight shutoff in the back all within one frame. The adjustable rear blades are operated with a thumb screw and come standard with birdscreen on the back. MADE IN THE USA

Backdraft Dampers are non-flanged horizontal mount exhaust backdraft damper. The frame is galvanized steel with aluminum blades. The blades have a felt seal on the leading edge for quiet closing and better protection from the weather. Spring assisted to allow the blades to open quickly. Ideal for use in roof curbs, ductwork, or wall collars when using a fan or power roof ventilator. Recommended for horizontal mount exhaust applications. MADE IN THE USA

Backdraft Dampers are non-flanged horizontal mount exhaust backdraft damper. The frame is galvanized steel with aluminum blades. The blades have a felt seal on the leading edge for quiet closing and better protection from the weather. Spring assisted to allow the blades to open quickly. Ideal for use in roof curbs, ductwork, or wall collars when using a fan or power roof ventilator. Recommended for horizontal mount exhaust applications. MADE IN THE USA

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

American Louver Balancing Damper, Radial, Galvanized steel, 6", PK2 Galvanized steel radial damper helps to control air flow through air vents. Easily adjust opening with a screw driver. Fits on diffusers with 6" neck. Package of 2. Available in 6", 8", 10", 12", and 14".