Adjustable Diffuser 945-18X6 Residential Registers & Grilles Front blades are parallel to

Front blades are parallel to the shortest dimension

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

CB20 - two way

904 - Double Deflection Adjustable Aluminum Blade Grille For a 14" x 10" Duct Opening (front blades parallel to shortest dimension)

Adjustable Diffuser 945-18X6 Residential Registers & Grilles Front blades are parallel toStandard Features Adjustable blades oriented for 3 or 4 way air flow pattern One piece stamped steel frame on most common sizes, alternate frame is extruded aluminum with signature line marks. Designed for ceiling or sidewall applications Nylon bushings on adj. blades prevent metal on metal rattle Lever operated steel multi shutter damper Countersunk mounting holes for flush appearance with color matching Phillips Pozidriv screws Rust resistant pre