Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Back Catalog number: HEDTDL71_6L Availability: In the manufacturer's stock Price on request - + Recommended TDL71_0.5L Tedlar PVF Gas Sampling Bag with PP valve, 0,5L Price on request 1970-0007 O-RING-007 .145 ID x .070 W for LFS-113 (5 Requi Price on request U-T20PAM-2S Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for UNITY-xr, TD100-xr, Centri Price on request