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 U-T5O3F-2S Ozone precursors/Freon cold trap Price on request M-DSK15-120 Spacer disc, alum, 1.5mm, for M-CTE120I,pk 24 Price on request H3-AXABC HiSorb probe, PDMS/DVB, inert, short version, pk 6 Price on request