Parallel Blade Volume Damper 3000P-66X28 past 12 months Multi-Shutter Damper standard on 6"

Multi-Shutter Damper standard on 6" widths and larger

53% free area * 1306: 3/4" lattice opening

Standard Features * 1/2" x 1/2" x 1/2" aluminum lattice return air grille * Surface mount grille with

* 2534 - Square or rectangular spring actuated (6) for horizontal or vertical mount

w/ Steel Opposed Blade Damper

Parallel Blade Volume Damper 3000P-66X28 past 12 months Multi-Shutter Damper standard on 6"h3. 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