New Devex Sampling Bag with PTFE Valve & Septum Fitting, 25L

New DEVEX gas sampling bags with PTFE dual-valve, 5L

Spare O-ring, black, for POD sampler (support body), pk 10 

Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for UNITY-xr, TD100-xr, Centri