Set Includes skimmer lily Inflow pipe, outflow pipe.
Made of the highest quality laboratory-grade borosilicate glass. (The floating part and the unit for adjusting the ratio between surface extraction and intake in the lower part are made of highly transparent and durable acrylic)
Skimmer lily Inflow pipe will auto adjust with the water level. Surface skimmer effectively remove the dirty film on top of the water. Water surface flow rate can be adjusted by rotating the bottom part
Lily outflow pipe delivers clean water from the filter to the aquarium (outflow).