Parallel Blade Volume Damper 3000P-68X32 T-Bar Minimum size is 4"x4"

Minimum size is 4"x4"

904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 8" Duct Opening  (front blades parallel to shortest dimension)

with 75% free area Options 14 GA 304 SS Construction 12 GA (

Standard Features * 2601 - Square or rectangular for vertical mount only

Holds up to a 2" filter (not included) with filter retention tabs (FG2)

Parallel Blade Volume Damper 3000P-68X32 T-Bar Minimum size is 4"x4"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