1Pack Dayton 2TFY1 Balancing Damper Round 12 In Diameter

1Pack Dayton 2TFY1 Balancing Damper Round 12 In Diameter Round Balancing Damper Manual Single Blade Damper Dia. (In.) 11 7/8 in Frame Height (In.) - Frame Width (In.) - Frame Depth (In.) 6 3/8 in Duct Dia. (In.) 12 in Duct Height (In.) - Duct Width (In.) - Frame Material Galvanized Steel Blade (Gauge) 20 Frame (Gauge) 20 Max. Velocity (FPM) 2 000 Max. Temp. (F) 180 Degrees F Synthetic (Acetal) Sleeve Type Bearings Actuator 3/8 in Square Manual Locking Quadrant Pressure Differential Max. 1.0 in wc