Tedlar PVF Gas Sampling Bag with PP valve, 5L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_5L Availability: In the manufacturer's stock Price on request - + Recommended C-KITDD-2S Direct desorp (VDA 278) starter kit Price on request U-T7EMP-2S Empty cold trap for UNITY series 2 Price on request T-2HD CW agents (in particular HD) cold trap, TT24-7 Price on request