Parallel Volume Damper Low Leak 3000PLL-38X22 T-Bar Allows for 2-way airflow

Allows for 2-way airflow

Nylon bushings on adjustable blades prevent metal on metal rattle

2x4 T-Bar (22" x 46" duct)

* UL and California State Fire Marshall approved * 4-1/4" standard frame style * Interlocking steel roll-formed blade (3) with roll-formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G-90) * Self locking corner (4) * 165° replaceable fusible link (2) h3

Lever operated steel multi-shutter damper

Parallel Volume Damper Low Leak 3000PLL-38X22 T-Bar Allows for 2-way airflowh3. 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