4.5" x 10" Clear Acrylic Heavy Duty Filter Housing. Can take up to 200lbs of pressure. Sealing "O" ring. Weighs 5lbs . 3/4" threaded ports on both sides, IN and OUT. Comes with red safety pressure release spring value. 4.5" x 10" Clear Acrylic Heavy Duty Filter Housing. Used as a cell housing for a Freddy type cell, or used as a large bubbler/dryer filter for a large output 101 cell plate box.