Spiral Pipe Diffuser with Transition Box SD34-18X12G Finish:Designer Color - Glossy White Spiral pipe diameter must be

Spiral pipe diameter must be 4” larger than the width of the grille

904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 4" Duct Opening  (front blades parallel to shortest dimension)

Soft white

and 2x4 panels * Soft White

055 T6 extruded aluminum construction * Fits all Shoemaker commercial products * Controls airflow evenly * Screwdriver operated * Available in even sizes * Mill finish Options * Clips for easy installation * Soft White

Spiral Pipe Diffuser with Transition Box SD34-18X12G Finish:Designer Color - Glossy White Spiral pipe diameter must beSD34 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