Characteristic: 1. High-quality material ensures durability of the pump 2. Small body and stable performance, it's a good part. 3. The inlet and outlet have a fixed caliber, the outer diameter is 7 mm, the inner diameter is 4 mm, it is easy to install 4. This diaphragm pump can be equipped with hoses with diameters of 5,8, 6*8 mm 5. Suitable do pumping . PRESSURE DIAPHRAGM PUMP 3V 0,8-1,2L/min 280 . PRESSURE DIAPHRAGM PUMP 3V 0,8-1,2L/min 280 Specification: Voltage: 3-3,7 V Current: 3 V 650 MA 3,7 V 750 MA Power: 3-6 W Temperature: Less than 80 degrees Flow rate: 0,8-1,2 l/MIN Suction limitation: 2 meters Extreme hydraulic head: 1,5 meters Size: approx. 75 x 34 x 12 x 31 x 24 mm / 3,0 x 1,3 x 0,5 x 1,2 x 0,9 inches Outside diameter: about 7 mm / 0,3 inch Inner diameter: about 4 mm/0,2 inch List of packages: 1 * pump . PRESSURE DIAPHRAGM PUMP 3V 0,8-1,2L/min 280 . PRESSURE DIAPHRAGM PUMP 3V 0,8-1,2L/min 280 . PRESSURE DIAPHRAGM PUMP 3V 0,8-1,2L/min 280 . PRESSURE DIAPHRAGM PUMP 3V 0,8-1,2L/min 280 . PRESSURE DIAPHRAGM PUMP 3V 0,8-1,2L/min 280 . PRESSURE DIAPHRAGM PUMP 3V 0,8-1,2L/min 280