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904 - Double Deflection Adjustable Aluminum Blade Grille For a 22" x 18" Duct Opening (front blades parallel to shortest dimension)
102 P - two way
2x4 T-Bar (20" x 44" duct)
104 P - four way * Square to round No Labor Collar * 2x2 galvaneal steel panel with seismic support holes * Soft White Options * 104 P D - multi-shutter damper with hinged perforated face * 104 P O - steel opposed blade damper with hinged perforated face * 104 P FR - U
Galvanized Finish
Spiral Pipe Diffuser with Transition Box SD52-18X6G Finish:Driftwood Tan 904 - Double Deflection AdjustableSD52 Transition Box Spiral Pipe Grille (Single Deflection) Standard Features Single deflection transition box mount spiral pipe grille Blades are parallel to the shortest dimension Allows for 2 way airflow adjustment Nylon bushings on adj. blades prevent metal on metal rattle Curved saddle with gasket provides airtight fit to spiral pipe Product sizes available to fit spiral pipe diameters 8 48." Spiral pipe diameter must be 4 larger than width of
