Complete overflow system complete with: anti-clogging and easily removable suction grid; directional water jet; hoses*. Rated for upwards of 660 gallons per hour! It can be installed in aquariums with external sump filter and two drain holes. Xaqua...

Box says freshwater, it's the exact same version as the regular one, just with a green label. Complete overflow system complete with: anti-clogging and easily removable suction grid; directional water jet; hoses*. Rated for upwards of 660 gallons per...