GFL-1a OptiSciences Categories Crops , Photosynthesis, Chlorophyll & Respiration Brochure Send Enquiry Overview Compact GFL liquid fluorometer for field studies GFL-1a provides easily interchangeable filter sets Easy conversion from discrete measuring samples to a flow through chamber, a water resistant case, and very high sensitivity Back Our Related Products PP Systems CPY-5 Canopy Assimilation Chamber Learn More Photon Systems Instruments Step-In FytoScope FS 3400 Learn More Qubit Systems Q-G266 Flow Monitor 1L Learn More Photon Systems Instruments Open FluorCam FC 800-O/1010 and FC 800-O/2020 Learn More