Lifegard Hang-on Aquarium Filter HOF Size:10 Gallons Because the cartridges were designed

Because the cartridges were designed specifically for our hang-on filters

or more commonly know as fragging

the fan can be stopped automatically

It is a classic scavenger and will inhabit and feed at the aquarium floor

Maximum Size: 5½"

Lifegard Hang-on Aquarium Filter HOF Size:10 Gallons Because the cartridges were designedA Multi Stage Filter with (Replaceable) Multi Stage Filter Cartridges The Lifegard Aquatics Hang on the Side Filters HOF Series uses proprietary replacement filter cartridges that are sold in packages of two (Part # R460110). Each filter chamber has grooves on each side that act as guides for Lifegards filter cartridges to slide perfectly into. Press the cartridge from the top so it pushes downward all the way in for a snug fit. Lifegard Aquatics