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Adjustable directional dampers with shut-off
NGD - Narrow ceiling grid dimples for 9/16" T-Rails
Standard Features * 1/2" x 1/2" x 1/2" aluminum lattice return air grille * Surface mount grille with
102 P - two way
For evaporative coolers or central blower systems
Steel Blade Double Deflection Diffuser 933-18X18 Finish:Designer Color - Glossy White Adjustable directional dampers with shut-offStandard Features * Surface mount diffuser * Nylon bushings for easy adjustment and quiet setting of steel blades * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Double deflection diffuser * Front blades parallel to longest dimension * Back blades parallel to shortest dimension * All blades adjustable allowing 4 way flow adjustment * Soft White Options * 933 O with recessed screwdriver operated
