Ceiling Radiation Damper, Size 350, For Model SP A410-A510, A710 and A780

The SP Ceiling Radiation damper protects fire rated ceilings and effectively blocks the spread of heat and flames through the building's ventilation system. This damper is UL Classified; rated at three to four hours fire resistance.
Availability:  5 in Troy
Products specifications
Attribute name Attribute value
Weight 6 lbs