Description The Morrison 9095AA-3200 AVEVR 2" overfill prevention valve is designed to prevent overfilling storage tanks by providing a positive shut-off during a pressurized fill. Key Features Installs directly onto a 4 inch riser or top mounted spill container Minimum shut-off height is 2” from the tank top 2.35” of float height adjustment Drop tube adaptor accepts 2” drop fill tubes (Morrison 419) Full flow to shut-off point, cushioned closure eliminates shock Integral pressure relief Integral anti-siphon function Optional test mechanism