FEP gas sampling bag with PTFE dual-valve, 2L Back Catalog number: FEP32_2L Availability: In the manufacturer's stock Price on request - + Recommended NDV32_5L New DEVEX gas sampling bags with PTFE dual-valve, 5L Price on request RMK-0020 Routine Maintenance Kit: Tube conditioner (TC-20) Price on request C-KITME01-2S Basic material emissions starter kit Price on request