Repalcement septum for Tedlar bag TDLC31Z Back Catalog number: HEDTDLC-S Availability: In the manufacturer's stock Price on request - + Recommended T-13PAM Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for TT24-7 Price on request U-COV1517 Spare O-ring, brown, for POD sampler (diffusive body), pk 20 Price on request TDL71_0.3L Tedlar PVF Gas Sampling Bag with PP valve, 0,3L Price on request