Purify inventories one of the largest chemical feed pump selections in the industry with an ever growing supply of maintenance kits, replacement parts, and tubing. We also carry one of the first feed systems that is a true back up feed system. Our backup system consists of a primary pump, a secondary pump, and a flow switch. A chemical feed pump system that has true automatic switchover capabilities. We hope that you will contact us with all of your current and future chemical feed requirements.