Volume Damper Low-Leak OBD 3000-0BDLL-64X50 Residential Registers & Grilles Individually welded 14 guage diffusion

Individually welded 14 guage diffusion bars

Retainer cables are provided on sizes 12" and larger to allow the inner cones to hang securely while adjusting the diffuser

Designed for return applications and as a vented access door to equipment

Fractional Sizes

Standard Features * T-Bar lay-in panel with hinged perforated face * Galvaneal steel 2x2 panel with seismic hangers * Spring push release for removal of perforated face * Round No Labor Collar sizes: 6-10"

Volume Damper Low-Leak OBD 3000-0BDLL-64X50 Residential Registers & Grilles Individually welded 14 guage diffusionh3. 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.