Combined electrofusion tee. 1.PE80/PE100,SDR11 SDR17 2.used in gas,water,oil 3.CE standard 4.Cocealed heating wire Electrofusion TeeOur Factory have 18 years production history in pe pipe fittings,Mainly for gas, water and drain outlet. We use two-time injection mould forming, It can conceal heating wire so make safer.1. Mateiral : PE100/PE80,SDR11 /SDR172. Used in gas ,water, oil filed, mine, ...