Single-band Fluorescence cube Olympus U-FGNA FILTER, for BX3 and IX3 cube turrets. Narrowband green excitation and bandpass emission filter. Exciter filter: 540-550 nm, beam splitter: 570 nm, barrier filter: 575-625 nm. Compatible with BX3-URA, BX3-RFAS and BX3-RFAA.