PHG-1 Features: -Hose grip coupling. -Material: Strong and flexible PVC. -Four vents to allow for air flow during discharge from the washer. -Fits both 2" and 1.5" standpipes and most washing machine hoses from 1" to 1.44". -Holds washing machine hoses securely in their standpipe drains. -Dimensions: 1.28" H x 2.74" W x 2.74" D.