Parallel Blade Volume Damper 3000P-70X28 Specialty Products Standard Features * 1 1/2

Standard Features * 1 1/2 hour rated fire damper * 2549 - Round damper for vertical mount only

Egg Crate T-Bar Filter Grille 2"

14 GA 304 SS Construction

904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 8" Duct Opening   (front blades parallel to shortest dimension)

916 Series Submittal

Parallel Blade Volume Damper 3000P-70X28 Specialty Products Standard Features * 1 1/2h3. 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