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904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 20" Duct Opening (front blades parallel to shortest dimension)
Spiral Diffuser Radius Flush Mount Diffuser Single Deflection with Damper
Designed for large volume air delivery
Designed for use in walls
Heavy Duty Construction (1 1/2" frame depth utilized)
Parallel Volume Damper Low Leak 3000PLL-46X16 Step Down Ceiling Diffuser 904 - Double Deflection Adjustableh3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3. Options * 3000 PLL Low Leak Air Control
US$ 114.50
US$ 121.47
US$ 89.00
