Mod-U-Blast Sealing Ring – Small Mod-U-Blast Sealing Ring – Small ABSS Stock Pop Up Valves and Sealing Rings to suit most popular brands Small Sealing Ring to suit mosy US Built Blast Pots Part Number: 4I-S201312 Urethane Sealing Ring Dimensions: 95mm OD x 59mm ID x 12mm Thick