Nitrile Replacement Impeller/Sleeve Assembly, Includes Instruction Sheet RestrictionsNote: Not to be run in a dry condition. Self-Priming Flexible-Impeller PumpsNo metal-to-metal contact. Excellent for fluid transfer, spraying, lawn/garden applications, filter systems, water drainage, and machine/equipment coolant recycling.Replaceable impellersDue to legislation, this product is restricted from use in drinking water applications. To expedite the handling of your order, please include a confirmation in your order notes stating that this product will not be used for drinking water. Any order that is for drinking water applications may be cancelled.