Pay in 4 interest-free payments of $180.00 Learn more
Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Diffuser available in sizes 6×6 through 20×20
INSTALLATION INSTRUCTIONS
Steel multi-shutter damper
904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 30" Duct Opening (front blades parallel to shortest dimension)
Free area equals more than 75% of nominal size
Parallel Blade Volume Damper 3000P-54X20 Smoke-Fire Damper Diffuser available in sizes 6×6h3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3. Options * 3000 PLL Low Leak Air Control
US$ 65.99
US$ 126.95
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US$ 34.99
US$ 109.95
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US$ 13.99
