Description Morrison Brothers 9095X-2200 AV is a top-fill overfill prevention valve designed to prevent overfilling storage tanks by providing a positive shut-off during a pressurized fill. Key Features Fill adaptor and shut-off mechanism are factory-assembledfor ease of field installation Straight female threaded adaptor facilitates valve installationto a precise set point Minimum shut-off height is 1” from the tank top Full flow to shut-off point, cushioned closure eliminates shock Drop tube adaptor accepts 2” drop fill tubes (Morrison 419) Integral pressure relief Integral anti-siphon function