Corrosion resistant 3 chamber diaphragm pump fitted with an on-demand pressure switch provides smooth flow for up to 4 fixtures. Able to run dry without damage, self-primes up to 8’, and meets ISO 8846 Marine ignition protection. Rubber mounting feet absorb vibrations and reduce noise. Includes quick connect port fittings: 2 x ½” hose barb; 2 x ½” QEST (NPS thread). 4.75” H x 4.25” W x 9” L.