Screw caps for screwthread tubes GL14, bore 8mm Back Catalog number: OST-201-0246 Availability: In the manufacturer's stock Price on request - + Recommended C-POD-KIT04 POD Starter kit: Carbograph 2TD Price on request HEDTDL31_5L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Price on request P-00010 VOC-Mole assembly, 230mm,pk10 Price on request