Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Back Catalog number: HEDTDLC31Z_1.6L Availability: In the manufacturer's stock Price on request - + Recommended P-00020 VOC-Mole assembly, 380mm,pk10 Price on request M-DSKPF Sample disc, 1.0mm thickness, PTFE,pk 6 Price on request U-T19PAH-2S PAH cold trap, UNITY 2/xr and TD-100/xr Price on request