New DEVEX gas sampling bags with PTFE dual-valve, 2L Back Catalog number: NDV32_2L Availability: In the manufacturer's stock Price on request - + Recommended OST-227-3141 Spare solid glass stopcock key, NS 14,5, 2pc/pk Price on request U-RACK02 Maxi Rack (1 L to 6L canisters) Price on request 1232 BALLOONS FOR GAS SAMPLING, 2Liters Price on request