+ It has been produced from high quality polypropylene raw material and it has resistance to impact.
+ Due to conical tightening, they remove faults in pipes that may be caused by dimentional differences and ovality up to ± 0.5 mm.
+ They prevent alga and bacteria forming due to UV proof (ultraviolet beam) structure.
+ O-rings are made of natural rubber and provide high impermeability.
+ It has a homogeneous and poreless inner surface.
+ It does not contain any foreign substancewhich can change the taste or the smell of the water.