The Rio Plus is a sturdy, very efficient and reliable submersible water pump & powerhead. Ceramic shaft. High flow rate pump which is very quiet when in operation. The Rio Plus can be used with wet dry filters, undergravel filters and venturi protein skimmer. Can be used horizontally or vertically. Includes: undergravel filter adaptor, venturi tube with silencer, flow nozzle, a discharge adaptor with an air stopper and a second adaptor with venturi jet and flow control, undergravel strainer, a rim hanger with a suction cup bracket and more. The Rio Plus can also be used in ponds and fountains. Power cord is 6' long. Max flow rate is 375 GPH.