Check the listing for details. 1600 Gal Pond Pressure Bio Filter w/ 13W UV Sterilizer Light Koi Fish ETL Listed. Color: Black, Condition: New. Listed at 79.99 USD. Pressurized Biological Pond Filter with 13-watt Light, Up to 1600 GallonsBuilt-in 13W Light & Easy to Clean & Sponge Changeable & ETL ListedThis pond filter is designed for cleaning ponds. With adopted biotechnology to improve the quality of water and a filter that is made of high-quality ABS material that resists sunlight and aging, this unit will last. A unique and convenient design of the crank handle allows you to clean the sponges without opening the device. About the product:SUPERIOR PERFORMANCE - Made of strengthened ABS material, which features great insulation function, it can resist sunlight, water, and age; its maximum flow-through is up to 6000 L/H, suitable for decorative ponds under 1600 Gallons and fish ponds under 800 Gallons CONVENIENT TO CLEAN - Equipped with a crank handle on the top of the pond filter, it allows you to clean the filter without opening the container thanks to the internal cleaning rod PREMIUM FILTER SPONGES - 4 Built-in brand-new filter sponges make a double filter area per unit volume to improve filtration and reduce maintenance UV LIGHT - Comes with a UV light, which inhibits the growth of brown algae and reduces water pollution and risk of disease for your fish; a blue indicator light tells you if the UV-C light is working POWERFUL EFFECT - This pond filter is an effective sealed pressure filter system which use biotechnology to make the nitrifying bacteria breed faster; this helps to improve the quality of the water by speeding up the decomposition fish feces; Notice: pump is not included Product Details:4 Filter Sponges Equipped with 4 filter sponges, which can be replaced, that ensure the balance of water flow and the reproduction of nitrifying bacterial.Cleaning Indicator Constructed with a cleaning indicator on the top of the lid, if this indicator has impurities floating up, it will remind you to clean the filter sponges immediately.Water Pipe Adapter The water inlet and outlet are designed with a one-piece interface, their diameter is suitable for 20mm(3/4"), 25mm(1"), and 32mm(1 1/4")water pipes. Product Specifications: Material: PP, ABSOutlet/Inlet: 3/4,1,1¼Voltage: 110- 120VMax temperature: 200 ℉Frequency: 60HzPower Cord length (FT): 10Filter system: UV-C light STRAINER SURFACESuitable for decorative ponds: under 1600 GallonsPower of UV-C: 13WSuitable for fish ponds: under 800 GallonsActual Volume: 4.2 galMax Flow-through:6000L/H(1580GPH)