Parallel Volume Damper Low Leak 3000PLL-72X18 Residential Registers & Grilles Standard Features * 1/2" x

Standard Features * 1/2" x 1/2" x 1/2" aluminum lattice face *

Standard Features * Modular core ceiling diffuser * Modular core has galvaneal steel blades in

Single deflection radius mount spiral pipe grille with adjustable blades

Powder coat finish

* 2634 - Square or rectangular Spring actuated (6) out-of-airstream fire damper for horizontal or vertical mount

Parallel Volume Damper Low Leak 3000PLL-72X18 Residential Registers & Grilles Standard Features * 1/2" xh3. 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