Parallel Volume Damper Low Leak 3000PLL-60X60 Residential Registers & Grilles back blades parallel to longest

back blades parallel to longest dimension

Driftwood Tan

Diffuser available in sizes 6×6 through 20×20

Perforated face grille

Parallel Volume Damper Low Leak 3000PLL-60X60 Residential Registers & Grilles back blades parallel to longesth3. 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