Check the listing for details. Intex Part: 11457, O-ring For Sand Filter Pump Motor Inlet. Condition: Open box. Listed at 11.59 USD. 26675EG Krystal Clear™ Sand Filter Pump & Saltwater Pool Chlorine System - 8,500 Gal. 26679EG Krystal Clear™ Sand Filter Pump & Saltwater Pool Chlorine System - 15,000 Gal.