Great way to automate your aquarium dosing needs! Connect the dosing pump to a timer, Neptune Apex or Digital Aquatics Reefkeeper to automatically dose 2-part calcium/alkalinity additives (2 pumps required), kalkwasser, trace elements, amino acids or other aquarium supplements. Specifications Flow Rate: 0.6 L/H, 10mL/Min Max Pressure: 1.5 bar, 49ft Inlet/Outlet Size: 6mm (1/4") I.D. Power Consumption: 0.42W Dimensions: 4" x 4" x 4.2" Weight: 1.1lb Included Dosing pump Mounting bracket & screws 5 foot of tubing Inlet filter 1/2" MPT x 1/4" Compression Barb for inline dosing 6 foot Power cable