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Ships within 48 hours · Estimated delivery Oct 13 - Oct 18
remove the two center cones as a unit and reposition the six screws
3 cone steel diffuser with hinged core for easy duct access
Diffuser available in sizes 6×6 through 20×20
1/2" spacing dual angular louvers for strength and maximum free area
Aluminum Airfoil Blade Double Deflection Diffuser 904-30X14 past 12 months remove the two center cones904 Double Deflection Adjustable Aluminum Blade Grille For a 30" x 14" 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
