Bubble Magus Filter Sock Holder - 4 inch Aqua Ultraviolet Service-friendly design: Cup and foam

Service-friendly design: Cup and foam reactor are designed for practical routine maintenance

Shake well before use

and spacers before final placement

test ammonia and nitrite and confirm the system is ready before adding sensitive livestock

The Replacement RO Canister is a replacement filter housing for Aqua FX

Bubble Magus Filter Sock Holder - 4 inch Aqua Ultraviolet Service-friendly design: Cup and foamBubble Magus Filter Sock Holder 4 inch Bubble Magus Filter Sock Holder 4 inch is an acrylic sump mounted holder for standard 4 inch aquarium filter socks. It gives freshwater, saltwater, and reef aquariums a simple way to add mechanical filtration when a sump does not already have a built in sock chamber. Bubble Magus 4 Inch Filter Sock Holder for Aquarium Sumps This holder is designed to hang on compatible sump walls and hold a 4 inch filter sock