Parallel Volume Damper Low Leak 3000PLL-54X34 Residential Registers & Grilles Stamped steel face with roll

Stamped steel face with roll formed frame

Designed for use in walls

3/4" round collar

Square or rectangular for vertical mount only

2 position adjustment for heating and cooling seasons

Parallel Volume Damper Low Leak 3000PLL-54X34 Residential Registers & Grilles Stamped steel face with rollh3. 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