Choose from two available rated working voltages: 12V and 24V. Features: Stainless Steel Wheel Frame: Made from 304 stainless steel, this robust and corrosion-resistant wheel frame offers lower power consumption and reduced noise compared to plastic alternatives. Ball Bearing Design: The self-priming pump features a silent, heavy-duty ball bearing design, ensuring a long service life. Adjustable Flow Direction: Easily control the flow direction based on the connection of positive and negative terminals. Easy to Use: With no valves and seals in the pump cover, hose replacement and maintenance are straightforward and convenient. Wide Range of Applications: Ideal for various fields such as experimental research, biochemical analysis, pharmaceuticals, fine chemical production, biotechnology, pharmaceutical processes, water treatment, and environmental conservation. Specification: Model: G928 Installation Method: Flat Panel Motor Type: DC Brush Motor Motor Power: 12V, 24V (Optional) Pump Head: Roller Peristaltic Pump Pump Shell: Transparent PC Pump Material: Food-grade Platinum Vulcanized Silicone Hose Roller Bracket: 304 Stainless Steel Flow Range: 500ml/min Tube (internal dia. x outside dia.): 6.4mm x 9.6mm Product Weight: 275g Package Size: 10 x 7 x 10 cm / 3.9 x 2.8 x 3.9 in Package Weight: 283g / 10oz Package List: 1 x Peristaltic Pump 1 x Wrench