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 TDLC-S Repalcement septum for Tedlar bag TDLC31Z Price on request NDV61_25L New Devex Sampling Bag with ABS Valve & Septum Fitting, 25L Price on request 1970-0025-R O-RING, -025 BUNA-N, DURO 70 (GilAir-3/GilAir-5/BD Price on request