Tedlar® PVF Sampling Bags PTFE On/Off valve, 0,3L Back Catalog number: TDLC31Z_0.3L Availability: In the manufacturer's stock Price on request - + Recommended NDV31_50L New Devex Sampling Bag with PTFE Valve & Septum Fitting, 50L Price on request M-CHCT-250 Calibration tool for M-CTE250I, pk 4 Price on request C-TDKIT-01 Essential TD Starter Kit Price on request