Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Back Catalog number: HEDTDL31_5L Availability: In the manufacturer's stock Price on request - + Recommended T-11OP Ozone precursors trap, TT24-7 Price on request 1232 BALLOONS FOR GAS SAMPLING, 2Liters Price on request P-00001 VOC-Mole assembly, 230mm,pk 1 Price on request