Opposed Blade Volume Damper 3000-0BD-54X52 Smoke-Fire Damper Egg Crate T-Bar Filter Grille

Egg Crate T-Bar Filter Grille 2"

UL listed and tested in accordance with UL Standard 555

and 2x4 panels * Soft White

available with two or four diffusers per panel

12 & 14" * Mill finish

Opposed Blade Volume Damper 3000-0BD-54X52 Smoke-Fire Damper Egg Crate T-Bar Filter Grilleh3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee 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.