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. 10.2 Feet Of Head, 1017 gph, 50 Watts, 0.79 Amps. 1" MPT In x 1" MPT Out.