Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Back Catalog number: HEDTDL71_6L Availability: In the manufacturer's stock Price on request - + Recommended RMK-0027 Routine Maintenance kit, tube based systems, no co Price on request C-TDKIT-02 Essential Automated TD Starter Kit Price on request M-CHCT-250 Calibration tool for M-CTE250I, pk 4 Price on request