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 M-SPC15-250 Collar spacer, alum 15mm, for M-CTE250I,pk 4 Price on request U-COV108-H O-ring, Injector Liner, Black, High Temp, pk/1 Price on request OST-227-3141 Spare solid glass stopcock key, NS 14,5, 2pc/pk Price on request