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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Spiral pipe diameter must be 4” larger than the width of the grille
Fan shaped 1/2" spaced louvers
Available blade centers at 1/2"
RD Series Engineering/Performance Data
Standard Features * Use in applications for installing round without damper * Steel galvaneal construction
Aluminum Airfoil Blade Double Deflection Diffuser 903-20X12 Finish:Designer Color - Bronze Spiral pipe diameter must beStandard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to longest dimension, back blades parallel to the shortest 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 metal rattle Countersunk mounting holes with color matching Phillips Pozidriv screws Rust resistant pre coat with durable powder
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