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-4ATX Air toxics cold trap, TT24-7 Price on request 1970-0007 O-RING-007 .145 ID x .070 W for LFS-113 (5 Requi Price on request U-COV06 O-Ring, Size 006, pk/10 Price on request