Check the listing for details. Adjustable Flow DC Water Pumps. Condition: New. Listed at 79.98 USD. SR Aquaristik Adjustable Flow DC Water Pumps are the complete solution for returning water from your sump back to the aquarium or for running external components like protein skimmers. This unique, energy-efficient design reduces maintenance and produces less heat than traditional motor-driven pumps. The DC water pump is ideal for aquarium use; its ceramic shaft prevents wear caused by small debris that can destroy traditional stainless steel shafts. With only one moving part, the DC pump has fewer components that can fail. For additional demos and detailed information, be sure to watch our YouTube video (https://youtu.be/MZK65Ix_r-I?si=IGZKCcHijQf0Ipth) . DC Pump Features: * Silent Operation * Safe, Low Voltage * Digital Control * Safety Auto Shut Off The Adjustable DC Water Pump for Aquarium is backed by a three-year warranty and can be easily made like-new with a replacement impeller kit. DC 300 & 500 Pump Fittings * 1 x 1/2" Barb Fitting * 1 x 3/4" Barb Fitting * 2 x 1/2 Slip Fitting DC 1000, 1500, 3000 Pump Fittings * 1 x 3/4" Barb Fitting * 1 x 1" Barb Fitting * 2 x 1" Slip Fitting **IMPORTANT INFORMATION WHEN SETTING UP** Click Here for Instruction Manual (https://cdn.shopify.com/s/files/1/2149/7167/files/DC_Pump_Instruction_020620_1.pdf?v=1611692382?217)