Peristaltic Pump 12V Dc, Kamoer High Flow 500Ml/Minute Khm 3 Rotors, Norprene Product Details Volts:DC 12V?Flow: 500ml/min, Norprene tube?4mm ID 7.2mm OD?Working temperature: 0~40??Relative humidity 80%?Rotor:3 rotors. This peristaltic pump adopts engineering plastic gear transmission, which is cost-effective. The rotor is fixed by a triangular synchronous disc, and the internal gear structure design can stably and effectively prevent the pump tube from slipping. This peristaltic pump is suitable for the transmission of viscous and non-viscous liquids with a large flow rate. This peristaltic pump's appearance is compact, the upper cover of the pump body is made of PC plastic, the pump body is made of PA, and the gear material is made of synthetic engineering plastic. This peristaltic pump is widely used in experimental analysis, filling classification, scientific research institutions to do experiments, and food processing industries. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.