Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Back Catalog number: HEDTDL71_6L Availability: In the manufacturer's stock Price on request - + Recommended U-T17O3P-2S Ozone precursors cold trap, UNITY 2/xr and TD-100/ Price on request RMK-0005 RoutMainten kit - TT24-7 Price on request M-SPFSC-250 SPF Sample Cutter and Mat, for high temp Micro-chamber Price on request