Recommended Products: 1st Choice PN: 12548, 2nd Choice PN: 2613, 3rd Choice PN: 2875, 4th Choice PN: 2813, 5th Choice PN: 2876; O-Ring; 4 in. Matching Ferrule Size; Brown; Synthetic Rubber; Replacement
Vibrant Performance Replacement O-Rings are constructed entirely from FKM Rubber.