Keep mosquitoes and other pests out of your tank and maximise the flow through your overflow. Over time, mosquito-proof screens can become blocked due to their small aperture. If not cleaned, this can lead to the overflow not functioning properly and water, instead, overflowing through the tank inlet. The mesh area on the Mozzie Stoppa High Flow Anaconda is much larger than a standard Mozzie Stoppa, allowing more water to flow through, even if debris has built up on the screen. Simply put, it performs better, for longer.