Goat anti-mouse IgG (H&L), F(ab)2 fragment is a FITC conjugated secondary antibody which is reacting with mouse IgG (H&L), F(ab)2 fragment. FITC (fluorescein-5-isothiocyanate) has Amax = 494 nm, Emax = 518 nm. Fluor to protein ratio is 3-7 moles FITC per