With a working pressure from 3500 PSI / 6000 PSI, materials of Aluminium / Brass / Stainless steal. Temperature ratings -29 C to 116 C, Ports 1/4″ to 1 1/2″ NPT. Flow Rate from 0.04 lpm – 560 lpm . Single or Dual Switch. Available in multiple Output flow sensor, water or petroleum fluid, phosphate ester fluids water based fluids, API Oil / Caustic and corrosive Liquids and Air / Caustic and corrosive gases.