FEP gas sampling bag with PTFE dual-valve, 2L Back Catalog number: FEP32_2L Availability: In the manufacturer's stock Price on request - + Recommended MBT71_1L Multi-layer gas sampling bags, PP valve (4.76mm), 1L Price on request M-CHCT-250 Calibration tool for M-CTE250I, pk 4 Price on request M-TICAP Tube interface cap for removable lid,pk 6 Price on request