Parallel Volume Damper Low Leak 3000PLL-42X12 Specialty Products 1/4" cross bars

1/4" cross bars

For evaporative cooling or high-velocity exhaust applications

2 position adjustment for heating and cooling seasons

Holds up to a 2" filter (not included) with filter retention tabs (FG2)

Square Collar

Parallel Volume Damper Low Leak 3000PLL-42X12 Specialty Products 1/4" cross barsh3. 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