Tedlar PVF Gas Sampling Bag with PP valve, 10L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_10L Availability: In the manufacturer's stock Price on request - + Recommended M-TCN04 O-Ring, size 007, and spacer,pk 6 Price on request DEV71_5L Devex Gas sampling bags 5L, PP screw cap valve, 3/16'' OD (4.76mm) Price on request M-TICAP Tube interface cap for removable lid,pk 6 Price on request