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 C-VAC-PIN Vacuum closure Pin Price on request C-MCTEKIT-120 Low Temperature MCTE Starter Kit Price on request OST-LENZ01320014 Screw caps for screwthread tubes GL14 Price on request