Part Number - 800-903 Optical Detector LI-800 and LI-820 $830.00 USD Prices do not include duties, taxes, or fees. Quantity Add to cart Request A Quote Optical detector for the LI-800 and LI-820 CO2 Gas Analyzers For a full selection of LI-COR products or to speak with a product specialist call 1-402-467-3576 or email [email protected]. RETURN TO LI-COR Products Page Recently Viewed View all products Replacement Hose barb 1/4" OD View product Mounting Tower Mounting Base TOWER MOUNTING BASE View product Replacement LI-3050A Short Idler Pulley LI-3050A SHORT IDLER PULLEY View product Replacement Soil Heat Flux Plate Soil heat flux plate (Hukseflux HFP01) View product