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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
Standard Features * For large volume air delivery * For evaporative coolers or central blower systems * Adjustable directional dampers with shut-off * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White
Opposed Blade Damper standard on 4" widths
Lever operated steel multi-shutter damper
To adjust diffuser
PERFORMANCE DATA 845 Series Engineering/Performance Data
Aluminum Airfoil Blade Single Deflection Diffuser 901-18X44 Residential Registers & Grilles Standard Features * For largeStandard Features * Extruded aluminum (. 055 T6) surface mount diffuser * Nylon bushings for easy adjustment and quiet setting of airfoil blades * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Single deflection diffuser with adjustable airfoil blades * Airfoil blades are parallel to longest dimension * Allows 2 way air deflection on one plane * Soft White Options * 901 O with recessed screwdriver
