- Two o-ring seals guarantee maximum hydraulic tightness. - Sleeve pre-fitted on the fitting in stainless steel AISI 304 with inspection holes.- Diameters from 16 to 26 mm are characterised by the possibility of verifying correct installation of the product, detecting a leakage in the fitting if the same has not been pressed correctly. - Diameters 16 to 50 mm are available with multipress profiles for jaws H, TH, U, C, VAL.- Made of a special brass alloy that is corrosion resistant. - Possibility of using the product both in water supply and heating or cooling installations.- Special ring in PTFE to prevent galvanic corrosion between the pipe and fitting. - Wide range of diameters from diameter 14 to 90 mm.- WRAS Approved.