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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
4-way reversible door on square sizes
Steel riveted and metal formed assembly
Standard Features * Lightweight Aluminum vent louver * Able to withstand wet and corrosive environments * Spring clip mounting * Easily installed using only a high grade silicon caulk * Satin Anodized finish Options * IS - Insect screen * Standard Color or Designer Color Finish available on this product
Nylon bushings for easy adjustment and quiet setting of blades running parallel to shortest dimension
stair risers
Parallel Blade Volume Damper 3000P-28X12 Commercial 4-way reversible door on squareh3. 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
