Parallel Volume Damper Low Leak 3000PLL-46X46 Smoke-Fire Damper 2" thin-line roll formed out-of-airstream

2" thin-line roll formed out-of-airstream frame

T-Bar Modular Core Diffuser

Single deflection radius mount spiral pipe grille with adjustable blades

Mounting Holes - Designed for ceiling or sidewall application

Steel construction

Parallel Volume Damper Low Leak 3000PLL-46X46 Smoke-Fire Damper 2" thin-line roll formed out-of-airstreamh3. 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