Premium PVC plastic: PVC pipe fittings are made of materials without plasticizers, UV-resistant, impact-resistant, elastic, very strong, flame-retardant, lightweight and durable Easy installation: the reducer/transition pipe does not require cutting with special tools and is installed by solvent cementing. For use in systems up to 140F, not for printing applications Sizes: pipe fittings sizes DN 63-50mm, using downpipe fittings, for connecting downpipes of different Practical: with the practical downpipe connector you can easily extend your downpipe to the desired length Wide range of applications : sanitary fittings are taps for drainage, waste and ventilation, drainage of sewage and rain, as well as supply and drainage of gutters indoors and outdoors