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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
contour molded fiberglass back with a foil barrier backing
3/4" round collar
2x4 * Soft White
Product sizes available to fit spiral pipe diameter 8” – 48
Use for applications with round ductwork to create a clean and easy to install finish for your round registers or diffusers
Aluminum Airfoil Blade Double Deflection Diffuser 904-30X12 Residential Registers & Grilles contour molded fiberglass back with904 Double Deflection Adjustable Aluminum Blade Grille For a 30" x 12" 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
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