Parallel Blade Volume Damper 3000P-58X46 Step Down Ceiling Diffuser Standard Features * Return air

Standard Features * Return air T-Bar lay-in filter grille * Removable louvered 20 gauge steel face * 20" x 20"x 1" filter (not included) * 7/8" fiberglass back plenum cut holes 6"-16" (collar by others) * Seismic support holes * Soft White

Holds up to 1" filter (not included)

with 53% free area

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

Tamper Proof Screws - stainless steel TORX Center Pin

Parallel Blade Volume Damper 3000P-58X46 Step Down Ceiling Diffuser Standard Features * Return airh3. 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