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 C-MCTEKIT-120 Low Temperature MCTE Starter Kit Price on request TDLC31Z_1.6L Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Price on request U-T19PAH-2S PAH cold trap, UNITY 2/xr and TD-100/xr Price on request