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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
Collar sizes available in 6”–10”
904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 30" Duct Opening (front blades parallel to shortest dimension)
with color matching Phillips posi-drive screws * All component parts
Eighteen air patterns
For evaporative coolers or central blower systems
Pressure Relief HD 3530-20X10 Specialty Products Collar sizes available in 6”–10”h3. 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$ 170.00
US$ 354.00
US$ 190.00
US$ 20.00
US$ 160.00
US$ 36.00
