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 T-3GBGE CW agents cold trap, TT24-7 Price on request U-T19PAH-2S PAH cold trap, UNITY 2/xr and TD-100/xr Price on request HEDTDLC-S Repalcement septum for Tedlar bag TDLC31Z Price on request