Parallel Volume Damper Low Leak 3000PLL-52X44 Smoke-Fire Damper 3/4” Wide x 3/4” High

3/4” Wide x 3/4” High square holes

Ideal for residential and light commercial application

Square to round 2" collar with roll formed retention bead

103 P - three way

Parallel Volume Damper Low Leak 3000PLL-52X44 Smoke-Fire Damper 3/4” Wide x 3/4” Highh3. 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