PEX-AL-PEX PIPE &Fitting size:1216 1418 1620 2026 2632 4050 5063 mainly including: equal adapter, female/male adapter, reducer adapter, equal elbow, female/male elbow, reducer eblow, equal tee, female/male tee, reducer tee, seated elbow, cross, etc. The pex-al-pex pipe(multilayer pipe, PAP pipe) we can supply include: 1) Aluminum layer is longitudinally welded(by ultra-sonic wave method) in an over lapping way. 2) Aluminum layer is BUTT-WELDED by argon arc welding method. 3) Aluminum layer is BUTT-WELDED by LASER welding method.