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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
Holds up to 1" filter
" Spiral pipe diameter must be 4” larger than width of grille
with 75% free area
032 Aluminum construction * Tamper proof screws * Standard Color
All Aluminum Construction
Pressure Relief Vertical Mount 3510-16X10 past 12 months Holds up to 1" filterh3. Standard Features * 3510 Vertical mount * 3520 Horizontal mount air up * 3530 Horizontal mount air down * Designed to open with negative or positive pressures for intake or exhaust air * Felt edge blades to hold noise to a minimum * Aluminum construction * Blade to blade linkage * 1 4" pivot pins in nylon busings * Maximum size 24 x 24 * Mill finish h3. Options * Sleeve variations * Mounting flange * Adjustable counter balance to adjust various
US$ 31.95
US$ 131.62
US$ 37.00
