Parallel Volume Damper Low Leak 3000PLL-46X24 past 12 months T-Bar Modular Core Diffuser with

T-Bar Modular Core Diffuser with Round Collar 6-14

Center margins are mounted on the backside of the grille for a streamlined continuous look

Steel galvaneal construction

Designed for use in walls

Stamped steel face with roll formed frame

Parallel Volume Damper Low Leak 3000PLL-46X24 past 12 months T-Bar Modular Core Diffuser withh3. 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