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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Designed for return applications and as a vented access door to equipment
Powder coat finish
1/2" spacing dual angular louvers for strength and maximum free area
2750 Series Submittal
Aluminum Airfoil Blade Double Deflection Diffuser 904-18X4 Step Down Ceiling Diffuser Designed for return applications and904 Double Deflection Adjustable Aluminum Blade Grille For a 18" x 4" 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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