Tedlar® PVF Sampling Bags PTFE On/Off valve, 0,3L Back Catalog number: HEDTDLC31Z_0.3L Availability: In the manufacturer's stock Price on request - + Recommended U-T20PAM-2S Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for UNITY-xr, TD100-xr, Centri Price on request M-DSKPF Sample disc, 1.0mm thickness, PTFE,pk 6 Price on request T-2HD CW agents (in particular HD) cold trap, TT24-7 Price on request