Parallel Blade Volume Damper 3000P-66X28 past 12 months Standard Features * 2533 -

Standard Features * 2533 - Square or rectangular for vertical mount only

* 2534 - Square or rectangular spring actuated (6) for horizontal or vertical mount

* Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Driftwood Tan Options * TD Series - with damper

Rust-resistant pre-coat with durable powder finish

Fan shaped 1/2" spaced louvers

Parallel Blade Volume Damper 3000P-66X28 past 12 months Standard Features * 2533 -h3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee 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. Options * 3000 PLL Low Leak Air Control