O-Rings, 23mm × 3mm i.d.,pk 20 Back Catalog number: P-CP020 Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended NDV31_5L DEVEX sampling bags with PTFE straight and septum valve with OD 6mm, 5L Price on request M-DSKPF Sample disc, 1.0mm thickness, PTFE,pk 6 Price on request NDV31_50L New Devex Sampling Bag with PTFE Valve & Septum Fitting, 50L Price on request