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 1970-0025-R O-RING, -025 BUNA-N, DURO 70 (GilAir-3/GilAir-5/BD Price on request 1970-0011-R O-RING -011 .301 ID X .070 W Each Price on request 1235 BALLOONS FOR GAS SAMPLING, 8Liters Price on request