SunSun HW-404B 525 GPH 5-Stage External Canister Filter with 9W UV Sterilizer, Gray

The SUN HW-404B external 5 stage canister filter is ideal for tanks up to 150 gallon. It handles up to 525 gallons per hour. The SUN HW-404B includes filter pads, hoses and all the parts you need to get started. The four flexible media trays allow you to add other filtration media such as sunsun' 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-404B canister filter also has a convenient self-priming pump that eliminates the need for manual siphoning.