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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
For damper free area chart A click here * 2563 - Out-of-Airstream fire door
CB20 - two way
½ × ½ × ½ Aluminum lattice
3 hour fire resistance rating
3-way register with stiffened 1/2" fan shaped louvers for silent operation
Parallel Blade Volume Damper 3000P-30X14 Smoke-Fire Damper For damper free area charth3. 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$ 22.50
US$ 62.00
US$ 62.00
US$ 62.00
