ANKA Pipe Fittings have a unique patented design that will connect to a large range of pipes and hoses. These fittings are manufactured from high grade glass fibre reinforced nylon. It is non corrosive; using high quality materials approved for use with drinkable water. Designed to connect a range of ID nominally sized polyethylene pipe, tube, and hose with varying wall thicknesses. Connection can be made by hand, without tools. It is re-usable and utilizes a unique way to connect pipe without the need for multiple replacement parts. The unique blue captive nut seal stays on the ridge and seals the pipe on the ridge. Designed to fit NZ Low density polythene pipe made to (NZ7601) they will also fit: Australian Rural B, Irish Imperial, Thin wall Lateral pipe and a range of flexible hoses, suction and pressure. Used for the most rigorous agricultural and horticultural uses. Maximum Working Pressure is 16 bar (1600 kPa – 230 psi) @ 20°C.