Parallel Blade Volume Damper 3000P-42X38 T-Bar Check Out The All About

Check Out The All About Spirals page

2x4 T-Bar (20" x 44" duct)

Adjustable single deflection grille

* UL and California State Fire Marshall approved * 4-1/4" standard frame style * Maximum dimension 60w

Parallel Blade Volume Damper 3000P-42X38 T-Bar Check Out The All Abouth3. 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