Parallel Volume Damper Low Leak 3000PLL-64X58 Step Down Ceiling Diffuser Standard Features * Heavy duty

Standard Features * Heavy duty honeycomb construction * Blades run parallel to longest dimension given * Gym Grade - includes welded core and extra supports for heavy duty application * Mounting holes for sidewall and ceiling application * Recessed screwdriver operated opposed blade damper to control air volume for positive balance of system * Soft White Options * No mounting holes * Tamper Proof Screws * Standard Color

Steel multi-shutter damper

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

Reinforced welded core and extra supports for heavy duty application

REVIT FILES

Parallel Volume Damper Low Leak 3000PLL-64X58 Step Down Ceiling Diffuser Standard Features * Heavy dutyh3. 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