Solid Passage:- The pump is designed also to work with dirty water. Its Maximum solid passage is 35 mm. So it will be suitable for mostly water conditions for your daily domestic application. Small sand, some muddy water, or particle all can pass through the pump. Don't use the pump for any salt water, chemical or acid liquid, it may reduce the lifetime of pump!. Oil Chamber Seal Structure The main seal has a oil chamber which minimizes friction between mechanical seal and shaft, gives pump longer duration. Lightweight And Compact :- A lightweight and compact design makes the pump easy to store and carry. Portable small pump with 10m power cable. Thermal overload protection prevents motor burn because of dry running or impeller block, which will ensure effective pumping and longer lifetime.