JR-4000, as a 1000GPH pond fountain pump, designed for your indoor and outdoor fountain water feature, hydroponic and small fish pond use. Simple structure, robust ABS casing, optimized copper wire, durable ceramic shaft and quiet operation make this submersible fountain pump easy-to-use, longer-lasting and energy-saving. The fountain water pump can withstand both fresh water and salty water. Besides, if you need flexible power cord, we can supply from 1.83 to 10.15 meters, waterproof and freeze-resistant. During the development and production, it undergoes extremely strict test including interior quality test and external CE, ETL, UKCA and SAA test and gets certificated. What you need else? We expect your trial and enjoy the water fun.