BURCAM 600541B Pressure Water Tank, Blue Designed for water systems equipped with a jet pump No water-air contact, rust free operation. No water-tank contact, eliminates seeping. No waterlogging, eliminates the need for air volume control Replaceable bladder. Made from butyl rubber to increase reliability and life span Tough, epoxy-baked finish. Pressure tested to 100 psi. Maximum operation pressure 75 psi Connection 3/4'' NPT through-tank connection, easy hook up with tee. Factory pre-charged at 28 psi