Adjustable Diffuser 945-18X8 past 12 months Standard Features * 45-degree fixed

Standard Features * 45-degree fixed blades parallel to the longest dimension * Hand operated lever for easy filter access * Holds up to 2" thick standard filter (not included) * Removable face for easy cleaning and maintenance * Filter door hinges parallel to longest side * 4-way reversible door on square sizes * 2-way reversible door on rectangular sizes * Filter retention tabs * Concealed mounting holes * Soft White Options * SP920FG-4 - holds 4" deep air filter * 920 TFG - T-Bar mount * Standard Color or Designer Color Finish available on this product

and handle

850 Series Engineering/Performance Data

Square to round transition collar

Stamped from cold roll steel

Adjustable Diffuser 945-18X8 past 12 months Standard Features * 45-degree fixedStandard 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