Parallel Blade Volume Damper 3000P-68X64 Residential Registers & Grilles Fractional Sizes

Fractional Sizes

2" ADC compliant round collar with bead for ease of installation (square sizes only)

125") Aluminum Construction 12 GA Steel Construction

Building materials rated 3 hours or less

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

Parallel Blade Volume Damper 3000P-68X64 Residential Registers & Grilles Fractional Sizesh3. 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