Opposed Blade Volume Damper 3000-0BD-34X20 past 12 months 4-way flush step down steel

4-way flush step down steel diffuser

*Pricing is based on standard 14 GA steel construction

904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 14" Duct Opening (front blades parallel to shortest dimension)

T-Bar hinged 2 Cone Step Down Diffuser with Round Collar

RS34 Series Engineering/Performance Data

Opposed Blade Volume Damper 3000-0BD-34X20 past 12 months 4-way flush step down steelh3. 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.