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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Adjustable aluminum airfoil blades oriented for 1 or 2 way airflow pattern
2550 Series Submittal
with 75% free area
Standard Features * Lightweight Aluminum vent louver * This is a larger version of the 4901 series * Flush face * Spring clip mounting * Able to withstand wet and corrosive environments * 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
Designed to handle high volumes of air with horizontal flow
Parallel Volume Damper Low Leak 3000PLL-30X26 Specialty Products Adjustable aluminum airfoil blades orientedh3. 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$ 26.24
US$ 126.24
US$ 72.31
