Tedlar PVF Gas Sampling Bag with PP valve, 0,5L Back Catalog number: TDL71_0.5L Availability: In the manufacturer's stock Price on request - + Recommended U-T18325-2S EPA 325 cold trap, UNITY 2/xr and TD-100/xr Price on request U-T1HBL-2S High boilers, C6 - C40, cold trap Price on request U-COV06 O-Ring, Size 006, pk/10 Price on request