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L Aluminum Wall Backdraft Dampr Damper Application Backdraft For Nominal Duct Diametre Not Applicable Frame Material Galvanized Steel Number of Panels 1 Maximum Air Velocity 2000 fpm Overall Height 21 in Rough Opening Diametre 18 1/2 in Rough Opening Shape Square Fits Fan Diametre 18 in For Duct Shape Not Applicable Free Area 2
OSG 2201935 Screw Machine Drill Bit Drill Bit Size #10 Drill Bit Point Angle 118 Degrees Carbide Bright (Uncoated) Decimal Equivalent 0
HONEYWELL TP972A2192 Pneumatic Thermostat RA/DA 60 to 90F
1 mm Bore Type Round Dynamic Torque Non-Reversing 3
ROCKWOOD K105010X3410 Door Protection Plate 10Hx34W Bronze Insulation L Aluminum Wall Backdraft DamprROCKWOOD K105010X3410 Door Kick Plate Kick Stretcher Height 10 in Width 34 in Dull Finish Material Bronze Thickness 0. 05 in Hardware Included