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904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 4" Duct Opening (front blades parallel to shortest dimension)
Spiral pipe diameter must be 4” larger than the width of the grille
2x4 T-Bar (22" x 46" duct)
Holds up to a 1" filter (not included) with filter retention tabs (FG1)
Spiral Pipe Diffuser with Transition Box SD34-18X12G Finish:Designer Color - Glossy White 904 - Double Deflection AdjustableSD34 Transition Box Spiral Pipe Grille (DOUBle Deflection) Standard Features Double deflection transition box mount spiral pipe grille Blades are parallel to the shortest dimension Allows for 4 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 Height of
