Screw caps for screwthread tubes GL14 Back Catalog number: OST-LENZ01320014 Availability: In the manufacturer's stock Price on request - + Recommended 1230 BALLOONS FOR GAS SAMPLING, 1Liter Price on request M-TCN04 O-Ring, size 007, and spacer,pk 6 Price on request C-HSPVLP-6 HiSorb Septum Plug, pk 6 Price on request