Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Back Catalog number: TDL31_5L Availability: In the manufacturer's stock Price on request - + Recommended U-T18325-2S EPA 325 cold trap, UNITY 2/xr and TD-100/xr Price on request 202814 Gilian 800i/5000/10i/12LCD DISPLAY WINDOW Price on request M-DSKPF Sample disc, 1.0mm thickness, PTFE,pk 6 Price on request