FEP gas sampling bag with PTFE dual-valve, 5L Back Catalog number: FEP32_5L Availability: In the manufacturer's stock Price on request - + Recommended T-TO15-KXR Focusing trap, Trace TO-15, for TT24-7 with Kori-xr Price on request TDL31_2L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Price on request NDV32_2L New DEVEX gas sampling bags with PTFE dual-valve, 2L Price on request