75-L 3-Hour Classic Fire Damper

Description

FIRE RATING: 3 Hours

FRAME: 22 Ga. Galvanized Steel

BLADE:  22 Ga. Galvanized Steel in the air stream

CLOSURE SPRING:  Negator Stainless Steel

FUSIBLE LINK: 165^oF

MOUNTING: Vertical Only

THIN: 2″

MATERIAL: Type 316 Stainless steel