Aluminum Airfoil Blade Double Deflection Diffuser 904-30X14 past 12 months Spiral pipe diameter must be

Spiral pipe diameter must be 4” larger than the width of the grille

All steel parts with galvanized finish or zinc coating

Ideal for supply air in the toe space areas between kitchen cabinets

Diffuser available in sizes 6×6 through 20×20

remove the two center cones as a unit and reposition the six screws

Aluminum Airfoil Blade Double Deflection Diffuser 904-30X14 past 12 months Spiral pipe diameter must be904 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