FEP gas sampling bag with PTFE dual-valve, 5L Back Catalog number: FEP32_5L Availability: In the manufacturer's stock Price on request - + Recommended U-T15ATA-2S UNITY 2 Cold trap, TO-15/TO-17 Air Toxics C2/3 Price on request P-CP020 O-Rings, 23mm × 3mm i.d.,pk 20 Price on request P-CP010 VOC-Mole cap assembly,pk10 Price on request