Ultimate Seal is a company that specializes in O ring and can be highly elastic, cohesive and reliable. Ultimate's rubber parts series contains multiple sub-products. The product is strong enough to hold heavyweight. It is constructed with a robust and strengthened structure by high-quality materials. This product will not 'burn out' the way that incandescent and CFL do, instead, it has Lumen depreciation which means it gradually grow dimmer over time yet users can still use it for thousands of hours.
Ultimate Seal clings to its core value of FKM o ring. Ask online!