Rover Drill 14 Brass Self-priming Pump for connection to electric drills. Very useful for transferring, easy to install and use. The pump body is made of bronze, the drive shaft is made of stainless steel with brass. The liquid must meet the following conditions: free of hard particles in the suspension (sand, gravel, etc.) which cause rapid wear of the inner parts if they are in the suction hose of the appropriate filter during installation. Does not attack the materials it comes into contact with (bronze, stainless steel, NBR rubber). Minimum temperature: -15°C (or higher than the freezing temperature of the pumping liquid). Maximum temperature: 90°C. If you have any questions, please contact us.