Screw caps for screwthread tubes GL14, bore 8mm Back Catalog number: OST-201-0246 Availability: In the manufacturer's stock Price on request - + Recommended U-T13DHS-2S DHS application cold trap, UNITY 2/xr andTD-100/xr Price on request M-SPGSC-120 Adjustable sprung spacer, for M-CTE120I,pk 6 Price on request TDL71_5L Tedlar PVF Gas Sampling Bag with PP valve, 5L, 3/16'' OD (4.76mm) Price on request