FAMCO Metal Attic Roof Vent Cap. Includes Back Draft Damper and removable Bird Screen. Bottom Connection Stem option for hard connect applications. 4"-10"
FAMCO Plastic Attic Roof Vent Cap. Removable 4" & 6" Stem for hard to connect applications. Bird Screen & Back Draft Damper installed in all models. 6 Colors
FAMCO Reversible Back Draft Butterfly Damper with Wall Vent. Reversible Air Flow direction - Air Intake or Exhaust. Galvanized or Aluminum Vent. 4" thru 12" Duct. *** QUANTITY SAVINGS ***
FAMCO Pressure Relief Bypass Barometric Damper relieves excess built-up pressure in Duct and Zoning System*** SEE VIDEO ***
FAMCO Back Draft Damper in Connecting Sleeve. Opens with Normal Air Flow - Closes with Gravity. No Springs or Metal Hinges. Duct Sizes 4" - 20". *** QUANTITY SAVINGS ***
FAMCO Wind Directional Cap provides maximum drafting. Rotating Hood helps to prevent Downdrafts. Use on Single, Double or Triple Wall vent pipe. *** SEE VIDEO ***