Adjustable Diffuser 945-20X4 Residential Registers & Grilles Standard Features *Surface mount return

Standard Features *Surface mount return air grille * 45 fixed blades parallel to shortest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 936 O - recessed screwdriver operated opposed blade damper * No Labor Collar (square sizes only) * 900 T - T-Bar mount * 905 HD - reinforced construction * 905 IS - insect screen * 1335-1338 Series - stainless steel version * Tamper proof screws

14" and 16" * Soft White Options * 825 MA - modular core fixed blade diffuser with field adjustable air patterns * Field installable Bowtie Damper (BD) (sizes 6-14") * 825 OR - factory installed opposed radial damper (sizes 6"-14") * 825 FR - U

INSTALLATION INSTRUCTIONS

Standard Features * Cones are one-piece stamped construction providing a clean

Adjustable Diffuser 945-20X4 Residential Registers & Grilles Standard Features *Surface mount returnStandard 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