HYRT core quick-connect PE pipe fitting range - push the PE pipe in and the red or blue locking ring grips tight; pull the ring to release for quick disassembly. No heat welding, no glue, no lock-nuts required. Covering couplings, tees, elbows, offtakes, male-thread adapters, and end plugs in every form, it is the core connection solution for fast mainline build and flexible expansion of PE irrigation systems.