
Oxygen Barrier Polybutylene Pipe DN20*2.0 Wras Approved Pb Tube for Hot Cold Water Plumbing. 5-Year Limited Warranty: Covers manufacturing defects with comprehensive protection for 5 years. 50+ Years Service Life: Outstanding creep and aging resistance ensures over 50 years of use. Drinking Water Grade Safety: Non-toxic, odorless, and compliant with food-grade and national regulations. High Flexibility Installation: Minimum bending radius of 6D reduces fittings and leakage risks. Corrosion & Scale Resistance: Ultra-smooth inner wall prevents scaling and maintains stable water flow. Low Noise Operation: High wall elasticity effectively reduces water flow noise for quiet delivery. Global Certifications: Holds NSF, WRAS, CE, ROHS, REACH, and other international safety certifications.