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, 10, 5 Feet of Head, 40, 0 Watts 0, 66 Amps, 1"" MPT In x 1"" MPT Out, SKU: RYLHC3050