The JBJ Accela SP1-1000 Powerhead is perfect for use with undergravel filters. These pump provide 266 gallon per hour of water circulation and can be used in  a fresh or saltwater aquarium. ACCELA powerhead motors are epoxy-sealed and designed for consistent power with low energy draw. Includes an adjustable venturi injector, undergravel attachment tube, flow diffuser flap, suction cup bracket, and mounting hook.
 
110 volts 60 Hz USA Plug
 
 * NOTE: *
This pump is the same pump used with the CPR Aquatic Bak Pak Protein Skimmer.  If purchased as a replacement make sure and keep the old volute/pump cover as the new volute/cover willl not fit.