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450 Series Engineering/Performance Data
Spiral pipe diameter must be 4” larger than the width of the grille
Face set in an outer T-Bar filter grille frame
linkage and handle enclosed in 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 * 200 O - steel lever operated opposed blade damper * Tamper proof screws * Standard Color
601TFG Series Engineering/Performance Data
Aluminum Airfoil Blade Double Deflection Diffuser 904-30X18 Accessories 450 Series Engineering/Performance Data904 Double Deflection Adjustable Aluminum Blade Grille For a 30" x 18" Duct Opening (front blades parallel to shortest dimension) Standard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to shortest dimension, back blades parallel to longest dimension Extruded aluminum surface mount frame with signature line marks Provides 4 way air flow on one plane Nylon bushings on adj. blades prevent metal on
US$ 150.00
US$ 20.00
US$ 120.00
US$ 20.00
US$ 120.00
