PF40-UV 128 Gallons per hour flow rate 40 For aquariums up to 40 gallons 7 Watt U.V. sterilizer Power filter with U.V. sterilization Aquatop Supplies Built-in/UV High output 7 watt Extremely quiet Suitable for aquariums up to 40 gallons Self-adjusting surface skimmer Adjustable water flow rate Circulation pump can be independently operated Mechanical filtration & chemical filtration included Utilizes safety approved energy efficient power supply Suitable for both freshwater and saltwater use ATP FLTR POWER 128GPH W/UV 40G