Pay in 4 interest-free payments of $100.88 Learn more
Ships within 48 hours · Estimated delivery Nov 3 - Nov 8
425 Series Engineering/Performance Data
Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee 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
Allows for 4-way airflow
alternate frame is extruded aluminum with signature line marks
Standard Features * Aluminum construction deep housing and inner concentric rings * Designed for high volume long throw applications * Adjustable air direction * Easily installed with use of strong spring clips * No screwholes offers clean appearance for wall mount * Anodized finish Options * 1204 - turbo nozzle in panel mount
Backdraft Vertical Mount 3550-28X32 Specialty Products 425 Series Engineering/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
