DESCRIPTION: Barometric «L» frame damper made of steel with 3″ aluminum blades designed to be operated by the push of the air itself, lifting the blades and allowing the passage of air in one direction only
MATERIALS: Galvanized (Minimum G60 Galvanized) And aluminum blades
FINISH: Bright White (standard). (With options in other colors)
APPLIVATIONS: As extraction accessory.
SIZES: Available in sizes from 9” x 9 “ to 48” X 48”