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parallel to longest dimension
904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 8" Duct Opening (front blades parallel to shortest dimension)
PERFORMANCE DATA
UL listed and tested in accordance with UL Standard 555C
Nylon bushings on adjustable blades prevent metal on metal rattle
Aluminum Airfoil Blade Double Deflection Diffuser 904-36X24 past 12 months parallel to longest dimension904 Double Deflection Adjustable Aluminum Blade Grille For a 36" x 24" 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
