Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_6L Availability: In the manufacturer's stock Price on request - + Recommended SERLFP-5003 Spare back pressure adapter, ACTI-VOC Price on request U-T9TNX-2S Unity 2/TD-100 Cold trap, Tenax TA Price on request T-11OP Ozone precursors trap, TT24-7 Price on request