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 Qubit Systems G400 Gas Mixing System Learn More Regent Instruments WinSEEDLE Learn More Photon Systems Instruments Algae Online Monitor(AOM) Learn More Soil Moisture G4 Sealing Sleeves Learn More