THIS LOT IS FOR BOTH THE 85 1 AND THE 85 11 Dive Clean Submersible Power Filters & Replacements by TomThese SUBMERSIBLE AQUARIUM POWER FILTERS are... * Power head efficient inside filter, use alone or in conjunction with other filters to polish water * Epoxy encapsulated silent running waterproof motors * Fully adjustable flow diffuser with inline air filter * Use in deep or shallow water installations * The Floss filter allows you about twice as much time or two months before it should be replaced. *Dive Clean 85 II ~ 15 - 20 gallon aquariums( needs "B" and "C" for replacement)
