This heavy duty pump motor shaft seal is made with carbon graphite, stainless steel and rubber for extra durability and resistance to chemicals. Especially recommended for use on pool and spa pumps connected to a salt chlorine system or Ozonator. This seal can be used on many different makes and models of pumps which can be seen under the "Parts" tab above. Some of the more common pumps include the Pentair Superflo, Challenger and Pinnacle, the Hayward Max-Flo II, Fits Jacuzzi Cygnet, and Aqua Flo Dominator. TERMS OF SALE: If, after receiving this item you discover that it was not the one you wanted, simply return it for a full refund within 14 days. You will have to pay for the return shipping charges. Refund is void if you have installed, used or damaged the item in any way. Item must be returned with its original box, packing materials and instructions. Payment via PayPal must be received within 3 days of transaction and prior to shipping. SHIPPING: Shipping charge will be based upon location. Please use the shipping calculator or request a shipping quote. International buyers: Customs fees, duties, taxes, tariffs other fees are your responsibility. Arrival time will depend on your location. If you have any questions, feel free to ask. Thank you for visiting!