DEVEX sampling bags with PTFE straight and septum valve with OD 6mm, 5L Back Catalog number: NDV31_5L Availability: In the manufacturer's stock Price on request - + Recommended C-EZVOCAK Easy-VOC accessory pack Price on request U-T4WMT-2S Water Management, ethane - C20, cold trap Price on request M-MCAL20 Disposable dish, alum, 20mL,pk100 Price on request