Aluminum Airfoil Blade Double Deflection Diffuser 904-40x18 Finish:Mill Finish 3-Way and 4-Way Air Patterns

3-Way and 4-Way Air Patterns

Driftwood Tan

Install with louvers in up or down position for best duct concealment

to 23 29/32"

T-Bar hinged 2 Cone Step Down Diffuser with Round Collar

Aluminum Airfoil Blade Double Deflection Diffuser 904-40x18 Finish:Mill Finish 3-Way and 4-Way Air Patterns904 Double Deflection Adjustable Aluminum Blade Grille For a 40" x 18" 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