Parallel Volume Damper Low Leak 3000PLL-54X46 Residential Registers & Grilles enclosed in valve to assure

enclosed in valve to assure trouble-free operation

Diffuser Only (no damper)

Countersunk mounting holes with color matching Philips posi-drive screws

1600 Series Submittal

904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 14" Duct Opening (front blades parallel to shortest dimension)

Parallel Volume Damper Low Leak 3000PLL-54X46 Residential Registers & Grilles enclosed in valve to assureh3. 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