Hart & Cooley ECRD-55 8" Round Fire Damper. This fire damper is ideal in commercial applications that require a fire damper for the protection of ductwork. This Hart & Cooley ECRD-55 8" Round Fire Damper is designed for to 2 hours fire protection. This Damper is constructed with a manual open and close flange, and a durable frame that can withstand heat.
| Manufacturer: | Hart & Cooley |
