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 U-COV201 O-ring, Injector HiSorb & HiSorb Storage, pk 10 Price on request M-MCHOR O-Ring, micro-chamber pan seal, for M-CTE120I,pk 6 Price on request C-POD-KIT01 POD Starter Kit: Carbopack X Price on request