Parallel Blade Volume Damper 3000P-72X16 Residential Registers & Grilles 104 D FR - U

104 D FR - U

1/4" cross bars

2" ADC compliant round collar with a bead for ease of installation

Surface mount fixed blade grille with airfoil blades at 0°

Single deflection transition box mount spiral pipe grille

Parallel Blade Volume Damper 3000P-72X16 Residential Registers & Grilles 104 D FR - Uh3. 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