ABSS O-Ring – Large ABSS O-Ring – Large ABSS Stock Pop Up Valves and Sealing Rings to suit most popular brands Large Rubber O-Ring to suit ABSS Blast Pots ABS80, ABS140, ABS174, ABS200 Part Number: 4I-O201290 Rubber O-Ring Dimensions: 134mm OD x 96mm ID x 18mm Thick