Parallel Volume Damper Low Leak 3000PLL-68X52 Residential Registers & Grilles 4-way reversible door on square

4-way reversible door on square sizes

inner dimension and outside dimension sizes available * Tamper proof screws * Standard Color

Smoke Test and More Information on MA Series Diffusers

Air Patterns

Access door with 1-3/8" deep steel roll formed frame

Parallel Volume Damper Low Leak 3000PLL-68X52 Residential Registers & Grilles 4-way reversible door on squareh3. 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