Built in 9 Watt UV sterilizer for controlling algae spores/bacteria and promoting clear water
Capable of mechanical, biological and chemical filtration
The Sun Sun HW-403B external 4 stage canister filter is ideal for tanks up to 100 gallon. It handles up to 370 gallons per hour. The Sun Sun HW-403B includes filter pads, hoses and all the parts you need to get started. The three flexible media trays allow you to add other filtration media such as Sun Sun's activated carbons, ceramic rings or bio-balls (each sold separately) to achieve excellent mechanical, chemical and biological filtration. A built in 9 Watt UV sterilizer helps control algae spores/bacteria and promotes clear water. The HW-403B canister filter also has a convenient self-priming pump that eliminates the need for manual siphoning.