Ideal for use on all Hang On Filters and Canister filters

●A proper light source plays an important role in photosynthesis. Having a clear water surface will definitely help with light penetration (as well as make your tank look more beautiful).
●ISTA Surface Skimmer is the best device to remove all the pollutants on the water surface.
●It is able to connect to hang-on, internal and external filters. The water intake can be adjusted to either the top or the bottom, and the floating level can adjust to the water level.
●Thanks to its unique design of the top water intake. It enables a most delicate and fine tunings of the water flow adjustment.
●With the ISTA Surface Skimmer, you can be assured of a crystal clear water surface.