Adjustable Diffuser 945-18X8 past 12 months Step down core designed for

Step down core designed for 4-way uniform air distribution

Field installable bowtie damper with round ring

850 Series Engineering/Performance Data

and handle

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

Adjustable Diffuser 945-18X8 past 12 months Step down core designed forStandard 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