BOX OF 5 Thomas & Betts 1-1/4″ Rigid Conduit Sealing Rings 5305 Thomas & Betts 1-1/4" Rigid Conduit Sealing Rings 5305. T&B® 5305 Sealing Ring With Stainless Steel Retainer, 1-1/4 in, For Use With Rigid/IMC Conduits, Santoprene™ TPE/Steel, Electro-Zinc Plated. byJuly 5, 2026