Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Back Catalog number: TDLC31Z_1.6L Availability: In the manufacturer's stock Price on request - + Recommended P-CP010 VOC-Mole cap assembly,pk10 Price on request C-CL100 Penclips, pk100 Price on request M-CHCT-250 Calibration tool for M-CTE250I, pk 4 Price on request