Pay in 4 interest-free payments of $160.88 Learn more
Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
Check out the All About Spirals page
Countersunk mounting holes for flush appearance with color matching Phillips Pozidriv screws
UL listed and tested in accordance with UL Standard 555C
with 75% free area
Standard Features * 4000 - door core grille with single frame * 4100 - door core grille with additional loose frame *
Opposed Blade Volume Damper 3000-0BD-34X26 Commercial Check out the All Abouth3. 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.
