Square Barometric Dampers (Side Draft)

Grouped product items
Product Name
Square Barometric Damper 17-3/4" x 17-3/4" (Side Draft) MFR: Item: DAMP18S
Square Barometric Damper 17-3/4" x 17-3/4" (Side Draft) MFR: Item: 1775SD
Square Barometric Damper 19-3/4" x 19-3/4" (Side Draft) MFR: Item: 1975SD
Square Barometric Damper 19-3/4" x 19-3/4" (Side Draft) MFR: Item: DAMP20S