APPLICATION- EVIL ENERGY push lock fitting is widely used in Oil/ Water/ Fluid/ Airline etc. Connect engine with air filter, the engine with radiator system, automobile air conditioning system, oil cooler etc. Our Push Lock fitting is only work with Rubber Push-Lock oil hose. They are not compatible with PTFE Hose, Nylon Braided Hose, or Stainless Steel Braided Hose. | Multi Sizes Supplied: Available in 3 sizes and three angles: 6AN, 8AN, 10AN/ straight, 45 degree, 90 degree.(PUSH LOCK FITTING NO INSTALLATION INSTRUCTIONS, detailed Installation steps look described in detail.) | Designed For Smooth Flow, the hose end fittings are made of high-quality aluminum alloy material for strong strength. Polished and anodized surface provide the bright appearance and corrosion protection. | ENVIRONMENTAL FRIENDLY- push lock fitting can be reused and recycle if you do not want them to stay in the original place. Due to the high-quality material which makes push lock fitting worked last for long. | Weld-free construction that gives better fluid flow and integrity over the normal brazed together hose ends. Push Lock fittings are easy to use and don't require special equipment. We normally recommend a bit of assembly lube to make it easier.