Features: Widely used in the field of experiment, medical, biochemical analysis, pharmaceuticals, fine chemicals, biotechnology, food, environmental protection, family, etc. 7.9mm x 11.1mm(internal dia.*outside dia.) tube size. Dual head pump with 700mm/min high flow rate. Professional Design: Professional manufacturing, exquisite workmanship, the red copper motor has stable performance and high reliability. 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. Any problem, please contact our store without hesitation. Honor to serve you. Specification: Rated Voltage: DC 12V, DC 24V (optional) Heat Resistance Range: -60 - 135 Tube Material: BPT Tube Service Life: >1000hrs Flow Rate: 700ml/min Rated current: 1200mA, 600mA Working Environment: Temperature 0-80, Relative Humidity;