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 P-CPS20 Dowty seals, for VOC-Mole cap assembly,pk 20 Price on request C-HSPH HiSorb handle, for manual probe extraction Price on request M-SPC15-250 Collar spacer, alum 15mm, for M-CTE250I,pk 4 Price on request