Lifegard Aquatics it is for submersible or dry applications. Extremely quiet operation noise level models 200 up to 6000 less than 45 decibels. Patented uni-direction impeller eliminates need for noisy mechanical device. Allows pump to always turn in the correct direction immediately. Innovative cooling chambers provide air-cooling during dry use and water cooling in wet applications. Its 581 gph, 9.8-feet of head and contains 41-watt capacity. Comes with 0.60-ampere and 1-inch in and out MPT.