...toroidal elastic gasket used to seal connections in the fluid transferring system. Elastic materials allow standard-sized gaskets to fit and hermetically seal atypical niches and spaces, providing leak and contamination protection. Due to this attribute, these devices are often used as sealing gears in pumps, valves, hydraulic mechanisms, and similar appliances. O-rings are cheap and reliable, however, it is recommended to replace them once the joint or a mechanism has been disassembled for maintenance or repair. You can find a great variety of O-rings and supplementary parts like springs, cords, etc. Buy quality and affordable products on Mega Depot!