With 10 Hoses: Each manual unit comes with a reusable pump, and 10 flexible hoses. - Three-hole Design: The 10-piece hose has a three-hole design that allows you to draw in viscous liquids from multiple directions. - Use of Safe Materials: 10 hoses made of safe materials, no harm to skim. - Easy to Use: Can be installed without any tools, very easy to install and disassemble, easy to clean, transparent material without dead ends. - Product features: Portable handheld pump, no power supply, convenient for you to use at any time,The hand pump is small in size, light in weight and easy to carry.