The filter housing is made of high quality PP and AS in conformity with FDA specifications. Gum O-ring can avoid leakage. Thicker housing and rib design can withstand much pressure. It can be used in food industry, industries, RO system, lab, water station.Filter Length: 5", 10", 20"Connector size: 1/4", 3/8", 1/2", 3/4", 1", 1.5"Max sustained pressure: 125PSIMax sustained temperature:120 °F/50℃DESCRIPTIONRELEASE VALVEINLET/ OUTLET2.5x10"housingNo1/4"2.5x10"housingNo1/4"2.5x10"housingNo1/2",3/4"2.5x10"housingNo1/2",3/4"2.5x10"housingNo1/4"2.5x10"housingNo1/4"2.5x10"housingNo1/2",3/4"2.5x10"housingNo1/2",3/4"2.5x10"housingYes1/2",3/4"2.5x10"housingYes1/2",3/4"2.5x20"housingYes3/8",1/2",3/4",1"4.5x10"housingYes1",1.5"4.5x20"housingYes1",1.5"