Screw caps for screwthread tubes GL14 Back Catalog number: OST-LENZ01320014 Availability: In the manufacturer's stock Price on request - + Recommended 1233 BALLOONS FOR GAS SAMPLING, 4Liters Price on request U-T6SUL-2S Sulphur/labile cold trap, Price on request POL32_5L Polyester gas sampling bag with PTFE dual-valve, 5L Price on request