DC 12V hot/cooling water circulation pump. Low consumption and low noise. Amphibious design, can be used in dive(only in cold water) or not. Made from premium PP and copper, features super long working life. Max operating temperature up to 100C with external circulating water flow. DC 12V hot/cooling water circulation pump. Low consumption and low noise. Amphibious design, can be used in dive(only in cold water) or not. Made from premium PP and copper, features super long working life. Max operating temperature up to 100C with external circulating water flow. Specification: Condition: Brand New Material: PP+Copper Size: 9*6*5cm / 3.54*2.36*1.97in Voltage: 12V DC Rated current: 0.7A Max Flow Rate: 8L/Min(2.1GPM) Max Water Head: 3 metre(9.8ft) Fluid Temperature:0-110 Using Time: More Than 40,000 Hours Inlet/Outlet: 1/2" male thread. Fit both 1/2" NPT and BSP female thread. Max circulating water temperature: 100C/212F. Can't be immersed in 100C/212F hot water Low noise: 30db at 1 metre Motor: Brushless Color: As Picture Shows Package List: 1* 12V Pump 2* Brass Coupler 2* Stainless Steel Clamp