Spiral Pipe Diffuser with Transition Box SD34-20X8G Accessories Standard Features * Fixed blade

Standard Features * Fixed 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 * 920 TFG - steel outer frame * 920 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

904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 14" Duct Opening (front blades parallel to shortest dimension)

Countersunk mounting holes for flush appearance with color matching Phillips posi- drive screws

Standard Features * Fixed bar blades parallel to 1st dimension given *

Spiral Pipe Diffuser with Transition Box SD34-20X8G Accessories Standard Features * Fixed bladeSD34 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