Healthy,high temperature resistance,corrosion resistant,heat preservation,non-toxic,higher flow capacity,long life. PP-R Fitting 1. Size: 20-160mm 2. Color: gray ,green, white or other by request 3. Material: PP-R 4. Convenient and reliable for installation 5. Recycled and Environment-friend SpecificationS20S25S32S40S50S63S75S90S110S160