DEVEX sampling bags 5L, stopcock & septum Back Catalog number: HEDDEV41_5L Availability: In the manufacturer's stock Price on request - + Recommended P-CPS20 Dowty seals, for VOC-Mole cap assembly,pk 20 Price on request U-T2GPH-2S UNITY 2 & TD-100 Cold trap general purpose hydrop Price on request HEDNDV32_2L New DEVEX gas sampling bags with PTFE dual-valve, 2L Price on request