New DEVEX gas sampling bags with PTFE dual-valve, 5L Back Catalog number: HEDNDV32_5L Availability: In the manufacturer's stock Price on request - + Recommended 1970-0011-R O-RING -011 .301 ID X .070 W Each Price on request U-RACK02 Maxi Rack (1 L to 6L canisters) Price on request OST-227-3141 Spare solid glass stopcock key, NS 14,5, 2pc/pk Price on request