Check the listing for details. Gikfun 12V Adjustable Peristaltic Dosing Pump Liquid Metering Pump with Adapt.... Condition: New. Listed at 40.79 USD. Gikfun 12V Adjustable Peristaltic Dosing Pump Liquid Metering Pump with Adapter for Aquarium Lab Analytical EK1960 Free 60 Day Returns Free Express Shipping Description: Features: Adjustable peristaltic pump, you can adjust the flow of the peristaltic pump by the knob, a water pump can meet a variety of flow requirements, greatly reducing costs.This dosing pump has been widely used in the field of experimental, biochemical analysis, pharmaceuticals, fine chemicals, biotechnology, pharmaceutical, products, ceramics, water treatment, environmental protection, etc.The pump head designed for easy disassembly, easy to clean and maintain.Flow rate: 8-70ml / min, Tube size: 2mm ID x 4mm OD, Power supply: DC 12VIt is not recommended to use for a long time. Cannot absorb viscous liquids. Product Details: Brand: GikfunColor: BlackMaterial: Acrylonitrile Butadiene Styrene (ABS)Style: SubmersibleProduct Dimensions: 4.3"L x 5.9"W x 3.2"HPower Source: Battery PoweredItem Weight: 332 GramsMaximum Flow Rate: 0.02 Gallons Per MinuteVoltage: 12 VoltsBrand: GikfunColor: BlackMaterial: Acrylonitrile Butadiene Styrene (ABS)Style: SubmersibleProduct Dimensions: 4.3"L x 5.9"W x 3.2"HPower Source: Battery PoweredItem Weight: 332 GramsMaximum Flow Rate: 0.02 Gallons Per MinuteVoltage: 12 VoltsManufacturer: GikfunPart Number: EK1960Item Weight: 11.7 ouncesItem model number: EK1960Batteries Included?: NoBatteries Required?: NoDate First Available: June 26, 2020