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 U-T1HBL-2S High boilers, C6 - C40, cold trap Price on request C-HSPH HiSorb handle, for manual probe extraction Price on request U-T19PAH-2S PAH cold trap, UNITY 2/xr and TD-100/xr Price on request