Variety of models made with stainless steel.Wide selection available of both 2 pole and 4 pole models.As it is made of stainless steel, chemical solutions can be used.Easy to do maintenance.Analysis and inspection is possible without disassembly because of the B.P.O (Back Pull Out).Strong piping load structureExpulsion valve is located in the centre of the casing, along with support legs, reinforcing the piping load structure.