These O-rings are special for drip irrigation connections. They are made of high-quality materials for greater strength and durability against use. They are perfect for use as a hose fitting accessory for garden hoses, as well as for taps, nozzles, hose spacers, etc. It is used to connect the garden hose to the nozzle and help to provide an airtight seal so as to prevent leaks. These can also be used as an accessory for plumbing industry. The O-rings are elastic, being wear and heat resistant, and provide a good seal for the most of the hoses.