O-Ring,EPDM-E50, For Use With Mfr. Model Number KDT-1-T, KDT-12-T, KDT-20-T, KDT-3-T, KDT-6-T, SD-1050, SD-1200, SD-1600, SD-1800, SD-450, SD-650, SD-760, For Use With KDT-1-T, KDT-12-T, KDT-20-T, KDT-3-T, KDT-6-T, SD-1050, SD-1200, SD-1600, SD-1800, SD-450, SD-650, SD-760