Camera Housing main O ring camera lens -234 external O ring camera lens -045 end cap face seal -264 end cap radial -262 outer well Chamber -429 between bottom of well chamber and plate -233 Fluorometer main O ring camera lens -234 external O ring camera lens -045 end cap face seal -246 end cap radial -240 outer well Chamber -429 between bottom of well chamber and plate -233 LED Light connector -017 glass -015