The SunSun HW402B with 9W UV Sterilizer is a 4 stage external aquarium canister filter that filters 265 gallons per hour and handles aquariums up to 75 gallons in size. With a powerful pump running at 18W and a voltage of 110v it can simply be plugged in and operational quickly. Just add your desired media such as carbon, bio balls or ceramic rings and you are ready to go.