Adjustable Curved Blade Diffuser CB20-20X8 Step Down Ceiling Diffuser 12" and 14") * HVD

12" and 14") * HVD OR - factory installed opposed radial damper (sizes 6"-14") * HVD FR - U

Dampers above 80 square inches free area will be provided with blade insulation

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

102 PC - corner

Zinc plated steel closure spring

Adjustable Curved Blade Diffuser CB20-20X8 Step Down Ceiling Diffuser 12" and 14") * HVDStandard Features * Adjustable curved blade . 055 T6 extruded aluminum surface mount supply diffuser * Four air patterns: CB10 one way, CB20 two way, CB30 three way, CB40 four way * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * CB40 O recessed screwdriver operated opposed blade damper * Square to round No Labor Collar (square sizes only) * 700 CB and CB T T Bar mount * SCB steel