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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Submittals and Performance Data
Use for applications with round ductwork to create a clean and easy to install finish for your round registers or diffusers
Heavy gauge steel construction
165° replaceable fusible link
Available in even sizes 6" to 20" and 24"
Backdraft Vertical Mount 3550-28X36 Accessories Submittals and Performance Datah3. Standard Features * 3550 Vertical mount * 3560 Horizontal mount air up * 3570 Horizontal mount air down * 3580 Round sizes available 5" to 24" * All non motorized backdraft dampers * Dampers are opened by air pressure differential and closed by gravity * 16 gauge channel frame with 26 gauge galvanized blades * Out of airstream linkage * Blades are vee stiffened 26 gauge for strength and stability * Square steel pivot pins * Nylon bushings * Single
US$ 195.83
US$ 110.99
US$ 110.00
