KC 05 Filter by Design FWC | Sep 15, 2020The KC 05 is in some of our aquarium kits and can be used with tanks 3 Gallons and under. It uses the Extra Small filter cartridges, which is sold separately.
KC 10 Filter by Design FWC | Sep 15, 2020The KC 10 filter is used with our aquariums. The filter hangs over the back on a hook. And require a Small filter cartridge.
