Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Back Catalog number: HEDTDL31_2L Availability: In the manufacturer's stock Price on request - + Recommended U-RACK02 Maxi Rack (1 L to 6L canisters) Price on request OST-201-3421 Tube gas sampling 350, nozzle (GL14), septum Price on request U-T13DHS-2S DHS application cold trap, UNITY 2/xr andTD-100/xr Price on request