Cross-linked Polyethylene (BPEX) barrier pipe to BS 7291. Use with Speedfit pipe inserts. Push straight onto copper tube. Removable and reusable. Water Research Council Approved. British Gas Service approved for water pipes. No tools needed. BS 7291 / PT1 / PT3. Kitemarked. Specifications: Cut pipe squarely with JG Speedfit pipe cutters (Quote 93312). Do not cut with a hacksaw. Do not use on gas and oil.