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. 12.2 Feet of Head. 140 Watts 3.18 Amps. 1"" MPT In x 1"" MPT Out.