Providing make-up air for exhaust devices is easy. controlling it is not  until now. BEST Directwire Make-Up Air Dampers. when interlocked with slave dampers. open in unison to provide synchronized operation for kitchen. bath and whole house ventilat...

MD6T 6" Make-Up Air Damper (Direct Wire) - Requires Fresh Air

Brings fresh air back into your home thru a separate return air duct. For tighter homes where fresh air is a concern this kit uses an air switch located above the hood to activate the outside make-up air damper to open and bring air into the home whe...

6" Make-Up Air Damper

MD8S 8 Automatic Make Up Air Damper comes with damper only.

MD8S 8" Automatic Make-Up Air Damper (Damper

MD10S Automatic Make Up Air Damper is damper only.

	Product Name	Rating
Image	Product NameMD6T 6" Make-Up Air Damper (Direct Wire) - Requires Fresh Air	Rating
Image	Product Name6" Make-Up Air Damper	Rating
Image	Product NameMD8S 8" Automatic Make-Up Air Damper (Damper	Rating
Image	Product NameMD10S 10" Automatic Make-Up Air Damper (Damper	Rating
Image	Product NameMD8T 8" Make-Up Air Damper (Direct Wire) - Requires Fresh Air	Rating