HYDRO fittings are the new soundproof push fit drainage system made of PP-MD that has more flexibility for designers, contractors and installers. The range of the P.P Corner Double Branch 87° includes the following diameter 110 mm in the color black. With features such as resistance to corrosion, low and high temperatures and aggressive sewage water, it guarantees a wide range of applications not only for residential buildings but also in chemical and pharmaceutical industries.