Dampers

Quantity (3) Replacement thermal damper for UP-DUX evaporative cooler attic vent. White plastic insert.

Replacement grille for UP-DUX evaporative cooler vent. White plastic with slot for thermal damper. Damper sold separately.

Diffuses air 6 ways with 14 adjustable louvers, made with white colored, high impact plastic. Will not rust, corrode or stain. For duct openings up to 20" x 20". Grille is 22" x 22" x 3-1/8"...

DL-101. UP-DUX Exhausts evaporative cooler air into attic. Eliminates excessive attic heat and the need to open windows and doors to vent air from cooler. UP-DUX vents should be installed in the...

17.75" Barometric Damper automatically opens when cooler is on and closes off the duct when cooler is turned off. High grade aluminum frame and vanes with nylon hinges and weatherstripping insulation...

17.75" Barometric Damper automatically opens when cooler is on and closes off the duct when cooler is turned off. High grade aluminum frame and vanes with nylon hinges and weatherstripping insulation...

21.5" Barometric Damper automatically opens when cooler is on and closes off the duct when cooler is turned off. High grade aluminum frame and vanes with nylon hinges and weatherstripping insulation...

19.75" Barometric Damper automatically opens when cooler is on and closes off the duct when cooler is turned off. High grade aluminum frame and vanes with nylon hinges and weatherstripping insulation...

19.75" Barometric Damper automatically opens when cooler is on and closes off the duct when cooler is turned off. High grade aluminum frame and vanes with nylon hinges and weatherstripping insulation...

21.5" Barometric Damper automatically opens when cooler is on and closes off the duct when cooler is turned off. High grade aluminum frame and vanes with nylon hinges and weatherstripping insulation...