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904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 14" Duct Opening (front blades parallel to shortest dimension)
Hand operated lever for easy filter access and cleaning
SD34 - Transition Box Spiral Pipe Grille (DOUBle Deflection)
CSFM California State Fire Marshal listed
Standard Features *Surface mount return air grille * 0 fixed blades parallel to shortest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 938 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
Diffuser 845-20X14 Finish:Driftwood Tan 904 - Double Deflection AdjustableStandard Features * 3 way diffusion for draft free heat or air conditioning * For ceiling or sidewall applications * All component parts, rivets, linkage, and handle, are enclosed in the valve to assure trouble free operation * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Steel multi shutter damper * Soft White Options * 845 O steel lever operated opposed blade damper * Tamper proof screws * Standard
