MT Valves & Fittings product. Available references and published specifications: • 648016225 — measures: MULTILAYER PIPE PERT-AL-PERT 25X2.5 BAR 2M (8); weight (kg): 0.5; small / large box: 8 / 8 • 648024220 — measures: MULTILAYER PIPE PERT-AL-PERT 20X2.0 BAR 2M (12); weight (kg): 0.27; small / large box: 12 / 12 • 648024432 — measures: MULTILAYER PIPE PERT-AL-PERT 32X3.0 BAR 4M(6); weight (kg): 1.24; small / large box: 6 / 6 • 648032425 — measures: MULTILAYER PIPE PERT-AL-PERT 25X2.5 BAR 4M (8); weight (kg): 1; small / large box: 8 / 8 • 648040216 — measures: MULTILAYER PIPE PERT-AL-PERT 16X2.0 BAR 2M (20); weight (kg): 0.21; small / large box: 20 / 40 • 648048420 — measures: MULTILAYER PIPE PERT-AL-PERT 20X2.0 BAR 4M (12); weight (kg): 0.54; small / large box: 12 / 12 • 648080416 — measures: MULTILAYER PIPE PERT-AL-PERT 16X2.0 BAR 4M (20); weight (kg): 0.42; small / large box: 20 / 20 Price and local availability on request. Source: https://mtspain.net/en/multilayer-pipe-pert-al-pert-bar/