BALLOONS FOR GAS SAMPLING, 4Liters Back Catalog number: 1233 Availability: In the manufacturer's stock Price on request - + Recommended TDL71_0.5L Tedlar PVF Gas Sampling Bag with PP valve, 0,5L Price on request C-TAGKT TubeTAG starter kit (for SS tubes) Price on request U-T13DHS-2S DHS application cold trap, UNITY 2/xr andTD-100/xr Price on request