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 TDL31_5L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Price on request C-TO17KIT TO-17 Starter Kit Price on request C-KITDD-2S Direct desorp (VDA 278) starter kit Price on request