Jabsco pumps are designed to be durable and high-performing, capable of providing years of satisfactory service in a variety of marine applications. Features: Heavy Duty, Coated MotorIntegrated Sealed Pressure Switch. Efficient, quiet operation. Self-priming. Runs dry without damage. Contents - Pump Unit: PARMAX HD4 12V 4GPM 40PSI. (PARMAX HD4 12V 15LPM 2.8BAR). Port Fittings: 2 x 1/2" (13mm) Straight HosebarbStrainer: Inline Quick Connect; 40 MeshIOM: Included (PN 81000475)