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L Alu Univ Backdraft Dampr Damper Application Backdraft For Nominal Duct Diametre 24 in Frame Material Galvanized Steel Number of Panels 1 Maximum Air Velocity 2000 fpm Overall Height 23 3/4 in Rough Opening Diametre 24 in Rough Opening Shape Square Fits Fan Diametre 24 in For Duct Shape Square Free Area 3
ARMSTRONG 1811 Ceiling Tile Edge Type Square Lay-In Grid Size 15/16 in Overall Length 48 in Overall Width 24 in Ceiling Attenuation Class 40 Light Reflectance 85 Percent Noise Reduction Coefficient 0
WATTS LFNLF9 Dual cheque with Atmospheric Vent Inlet Type MNPT Outlet Type FNPT Inlet Size 3/8 in Outlet Size 3/8 in Body Height 2 3/8 in Max Temp 180 Degrees F Auto Re-Seating No Body Material Lead-Free Brass Body Width 1 1/4 in Standards ASSE 1035 CSA B64
GRAINGER U242100160050 Machine Screw Head Type Round Material Steel Finish Zinc Plated Drive Slotted Thread Size #8-32 Fastener Length 1/2 in Head Width 0
DAYTON 161497 End 18 Gal Galv For Use With Grainger Item Number 3C411 3NFX4 4C660B 4C661 6TFD8 For Use With Mfr Model Number HA Fits Brand ACME Dayton
CHICAGO-LATROBE 49252 Screw Machine Drill U HSS Electrical Tools L Alu Univ Backdraft DamprCHICAGO LATROBE 49252 Screw Machine Drill Bit Drill Bit Size U Drill Bit Point Angle 135 Degrees Split Point High Speed Steel Black Oxide Cutting Direction Right Hand Decimal Equivalent 0. 3680