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Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
Diffuser Only (no damper)
904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 20" Duct Opening (front blades parallel to shortest dimension)
3/16" cross bars
Maximum size 14"x14"
375 Series Submittal
Parallel Volume Damper Low Leak 3000PLL-58X22 Specialty Products Diffuser Only (no damper)h3. 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
