Dampers

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

ACP, ACL-F-60x24, Combination Louver / Damper with Flange 60"W x 24"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

Manufactured from 19-gauge galvanized steel, frame is 2" deep with 1" flange. Aluminum blades have felted edges for quiet operation. System fan forces blades to open; integral spring returns blades to closed position. Pre-punched conduit hole knockout. Can be mounted on shelf in roof curb models 5ACC..FS / FT for supply air to building. Use with model series 5FSU filtered supply units.

ACP, ACL-F-36x18, Combination Louver / Damper with Flange 36"W x 18"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

ACP, ACL-F-48x42, Combination Louver / Damper with Flange 48"W x 42"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