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14" and 16" Options * Field installable Bowtie Damper (BD) * HL OR - factory installed opposed radial damper (sizes 6"-14") * HL FR - U
Standard Features * Aluminum fixed bar blade return air T-bar lay-in filter grille * Square collar for 20 1/2" x 20 1/2" duct * Hinged removable face * 20" x 20" x 1" filter (not included) * Seismic support holes * Soft White Options * 915 2 TFG - 2" filter spacing (filter not included) * No Labor Collar - square to round (2x2 only) * 1x2 (20x8 filter) or 2x4 (20x44 filter) * Satin Anodized Finish available on this product
Ideal for residential and light commercial application
904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 4" Duct Opening (front blades parallel to shortest dimension)
2x4 T-Bar (22" x 46" duct)
Spiral Pipe Diffuser with Transition Box SD34-18X12G Finish:Designer Color - Glossy White 14" and 16" Options *SD34 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
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