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- NuTone® LoSone Select® Ceiling Radiation/Fire Damper, For Use With: 100, 150, 200, 250 and 300 cfm Ceiling Mount Model, 12-1/2 in L x 12-1/2 in W
- UL rated for use in 1, 2, or 3 hr fire rated ceilings
- Galvanized steel frame
- High temperature, non-asbestos, reinforced fiber thermal fabric
- 212 deg F fusible link
- Stainless steel negator type closure spring
- RD1 (12-1/2 x 12-1/2 in) fits Broan® LoSone Select® L100, L150, L200, L250 and L300 series
- Suitable For Use With100, 150, 200, 250 and 300 cfm Ceiling Mount ModelDimensions12-1/2 in L x 12-1/2 in WManufacturerBroan-NuToneManufacturer #RD1