Rubber gaskets intended to be used in drip irrigation connections. It is perfect to use as hose fitting for gardens, taps, nozzles, hose spacers, etc. It is used to connect the garden hose to the head and helps to provide a tight sealing to avoid leaks (plumbing insulation). The pack includes 50 quality black rubber gaskets made of nitrile rubber (NBR). Available in different sizes. Features: this rubber gaskets are elastic, wear resistance, heat resistance. Higher quality. They are made of hydrogenated nitrile butadiene rubber (HNBR) to provide a good sealing for the most of the hoses. They are resistant to petrol, gas, water, alcohol solvents, high temperatures and high pressure.