Aquarium Technology, Aquarium Technology Inc Filter Max I Foam Sponge Prefilter for Aquariums up to 10 Gallons

Extend filter media and replacement cartridge life while protecting small fish simply connect to your impeller tube or powerhead to keep larger debris out of a sand filter UV sterilizer or protein skimmer Trusted by casual hobbyists and pros alike whether part of an internal or external power filtration system the Filter Max is a great introductory point to sponge filters Whisperquiet and easy to clean simply rinse and squeeze in used tank water not tap water to maintain nitrogenfixing bacteria in freshwater or saltwater Soft foam filters across a wide surface area creating bubbles to reduce protein buildup and increase oxygen Ideal for lowcurrent breeding betta discus and turtle tanks Fastcycle a new tank by transferring a filter sponge from old to new For even more pristine water try our HydroSponge Pro line.