Aluminum Airfoil Blade Double Deflection Diffuser 904-24X16 Residential Registers & Grilles 425 Series Engineering/Performance Data

425 Series Engineering/Performance Data

1/2" spacing dual angular louvers

1" and 1 1/2"

Performance Data With Opposed Blade Damper

Standard Features * Use in applications for installing round without damper * Steel galvaneal construction

Aluminum Airfoil Blade Double Deflection Diffuser 904-24X16 Residential Registers & Grilles 425 Series Engineering/Performance Data904 Double Deflection Adjustable Aluminum Blade Grille For a 24" x 16" 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