Floor Register 1550-4X8 Step Down Ceiling Diffuser CB40 - four 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 version * Tamper proof screws * Standard Color

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

Double deflection radius mount spiral pipe grille with adjustable blades

2 position adjustment for heating and cooling seasons

Holds up to 1" filter

Floor Register 1550-4X8 Step Down Ceiling Diffuser CB40 - four way *Standard Features Fixed bars with 0 deflection Heavy duty steel honeycomb construction Flush core and frame provides smooth surface Free area equals more than 75% of nominal size Blades run parallel to longest dimension Recessed screwdriver operated opposed blade damper to control air volume for positive balance of system Rust resistant pre coat with durable powder finish Driftwood Tan Options Reinforced welded core and extra supports for heavy duty