The Pentair 357212 6-inch flange is designed to use with Pentair EQ-Series commercial plastic pool and spa pumps. Includes gasket and stainless steel hardware and comes without strainer. Pentair makes the most of life’s essential resources, from great tasting water straight from the kitchen faucet, to industrial water management and everywhere in between. We deliver solutions that help people move, improve and enjoy water, and sustainable applications that help ensure the health of the world.