Two great uses:
A. Gravity required (the source fluid is 11 inches or more than the target fluid). 1. Connect the hose at both ends of the rubber pump. Close the buckle. The black arrow on the hand pump shows in the direction of flow. 2. Dip the input end of the hose into the source fluid. Use the hose clamp to secure the hose so that it does not fall out. 3. Press the hand pump 2 or 3 times. 4. When the liquid comes nearby, place the outlet hose in the target container.