Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Back Catalog number: TDL31_2L Availability: In the manufacturer's stock Price on request - + Recommended C-VAC-PIN Vacuum closure Pin Price on request 1235 BALLOONS FOR GAS SAMPLING, 8Liters Price on request C-POD-H010 Spare Support Body, for POD sampler, pk 10 Price on request