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 U-T2GPH-2S UNITY 2 & TD-100 Cold trap general purpose hydrop Price on request M-DSK15-250 Spacer disc, alum, 1.5mm, for M-CTE250I,pk 24 Price on request TDL31_5L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Price on request