GROTHEN DC 12V Dosing Pump Peristaltic Pump Mini Water Liquid Pump Large Flowrate Peristaltic BPT Tube Self-Priming 700mL/min for Aquarium Lab Chemical Analysis Dosing Additives, L Panel Style Features: ✔ Widely used in the field of experiment, medical, biochemical analysis, pharmaceuticals, fine chemicals, biotechnology, food, environmental conservation, family, etc. ✔ Flow direction: You can control the flow direction by the positive and negative connect. ✔ No valves and seals, convenient hose replacement, easy maintenance. This small dosing pump has the function of self-priming. ✔ Durable Pump: Imported high transparent PC and nylon material, reliable, wear-resistant and durable. The pipe adopts BPT composite pipe of Saint-Gabain, with a life of 1000 hours, high temperature resistance of -60 degrees ~135 degrees, and anti-ultraviolet and anti-ozone. ✔ Peristaltic Pump Parameters:  Model: G1128; Flow Rate: 700mL/min; Tube size (IDxOD): 7.9x 11.1mm; Speed: 300 RPM; Motors: DC24V, DC12V (Optional) Specifications: Model: G1128 Style: L-Shape Motors: DC24V, DC12V (Optional) Rated Current: 600mA, 300mA Working Environment: Temperature 0-80℃, Relative Humidity ≪ 80% Medium Flow Direction: Flow Direction Depends On The Power Supply Positive And Negative Cascade Connection Traffic: 700 ml/min Speed: 300 RPM Pipe material: BPT composite pipe Tube size (IDxOD): 7.9x 11.1mm Tube life: 1000hrs Weight: 0.3 KG Package Size: 25*20cm/9.8*7.8in Package Weight: 290g/10.2oz Packing List: 1 x Peristaltic Pump