FEP gas sampling bag with PTFE dual-valve, 2L Back Catalog number: FEP32_2L Availability: In the manufacturer's stock Price on request - + Recommended TDL31_2L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Price on request C-POD-C010 Spare Cover, for POD sampler, pk 10 Price on request M-SPC15-120 Collar spacer, alum 15mm, for M-CTE120I,pk 6 Price on request