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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
blades prevent metal on metal rattle
Square or rectangular for vertical mount only
Standard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to longest dimension
NGD - Narrow ceiling grid dimples for 9/16" T-Rails
904 - Double Deflection Adjustable Aluminum Blade Grille for a 48" x 18" Duct Opening (front blades parallel to shortest dimension)
Volume Damper Low-Leak OBD 3000-0BDLL-34X22 Step Down Ceiling Diffuser blades prevent metal on metalh3. 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.
US$ 30.40
US$ 28.00
US$ 36.00
US$ 30.40
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US$ 45.00
US$ 1633.05
