RestekReplacement Septa for Gas Sampling Bags with New Style Valves Made as of Late June 2019, .495 cm (0.195”) Diameter x .178 cm (0.070”) Thick, 10-pk.SKU · 22104-A
RestekReplacement Septa for Gas Sampling Bags with Stainless-Steel Valves, 9.52 mm (0.375") Diameter, 2.5 mm (0.100") Thickness, PTFE-Faced Silicone, 10-pk.SKU · 26471