The Shark Bite™ Connection System now includes stop 1/4 turn valves - straight and angle. Shark Bite™ brings the convenience of push-fit technology to the final phase of the plumbing system with no soldering, clamps or glue - just cut, push, done. - Easy, push-fit connections for connecting supply lines to fixtures and appliances.- No soldering required.- Design certified and listed to ASSE 1061/NSF 61. - Listed by IAPMO and are certified for potable water and hydronic heating water distribution (note: Glycol mixture for hydronics is not to exceed 100% concentration). - Certified for underground applications and as a manufactured joint without access panels and they meet UPC, IPC and CUPC.- Disconnect clips need to remove flittings.