Screw caps for screwthread tubes GL14, bore 8mm Back Catalog number: OST-201-0246 Availability: In the manufacturer's stock Price on request - + Recommended SERZ-1097 Spare tube assembly, ACTI-VOC Price on request U-T5O3F-2S Ozone precursors/Freon cold trap Price on request U-COV100 O-Ring, low-emission, size 010, pk/100 Price on request