Aluminum Airfoil Blade Double Deflection Diffuser 904-18X4 Step Down Ceiling Diffuser 904 - Double Deflection Adjustable

904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 14" Duct Opening(front blades parallel to shortest dimension)

inner dimension and outside dimension available * Available in continuous lengths with butt joints * Tamper proof screws * Standard Color

2750 Series Submittal

Allows for 4-way airflow

Designed for return applications and as a vented access door to equipment

Aluminum Airfoil Blade Double Deflection Diffuser 904-18X4 Step Down Ceiling Diffuser 904 - Double Deflection Adjustable904 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