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 Regent Instruments WinSCANOPY Learn More Soil Moisture G4 Stem Grommet Kit Learn More Photon Systems Instruments Large-Scale Photobioreactors Learn More Skye Instruments Leaf Area/Root Length Systems Learn More