Screw caps for screwthread tubes GL14, bore 8mm Back Catalog number: OST-201-0246 Availability: In the manufacturer's stock Price on request - + Recommended TDL71_0.5L Tedlar PVF Gas Sampling Bag with PP valve, 0,5L Price on request TDL71_10L Tedlar PVF Gas Sampling Bag with PP valve, 10L, 3/16'' OD (4.76mm) Price on request U-COV108-L O-ring, Injector Liner, Brown, Low Temp, pk 10 Price on request