Parallel Blade Volume Damper 3000P-68X68 past 12 months Hinged perforated face with screwdriver

Hinged perforated face with screwdriver access to release

CSFM California State Fire Marshal listed

Square or rectangular for vertical mount only

Round ceiling radiation butterfly damper

w/ Tool Operated Opposed Blade Damper

Parallel Blade Volume Damper 3000P-68X68 past 12 months Hinged perforated face with screwdriverh3. 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