Guardair Corporation Guardair Liquid Shut-Off Assembly For 30 & 50 Gallon Pneumatic Vacuums – Pkg Qty 2

Ideal for wet vacuum applications, Liquid Shutoff Assembly limits intake of vacuumed fluids when drum is full, preventing damage to exhaust silencer(s). Float ball rises as liquid level rises, blocking vacuum inlet to Venturi box, ceasing vacuum operation. Wire cage with internal float ball mounts to drum cover. Replaces standard (dry) cartridge filter. Available as stand-alone item or factory installed option.