1.Five layers 2.Diameter 16-32mm 3.Overlapped/butt weldin PAP Pipe, PPR Aluminium Composite Pipe, Pex-Al-Pex Plastic PipeDESO pipe inside and outside Pe do not react chemically, and it is hygienic and safe, and has no leakage.1. Superior resistant properties of high temperature, high pressure, corrosion and fire2. Smooth inner surface of the pipe3. Easy cutting and convenient installation4. Small ...