Pressurized pond filter with built-in UV Sterilizer is designed for ponds upto 50000 litre capacity. Maintaining the pressurized filter is now even easier. They feature a new automatic cleaning system, by simply rotating the cleaning handle on the top, the interior sponge is squeezed for optimal cleaning and eliminating the need to disassemble. There is a small float which pops-out on top of the unit when cleaning is required. Bio Balls or Ceramic Rings can be put inside the filter (sold separately). They come with a built-in UV Sterilizer, which effectively prevents green water and eliminates harmful micro-organisms and parasites which may cause fish diseases. Pump is not Included in the Standard Packaging. To be Brought Separately. Filter Media Comes in the pack Features: Biological and mechanical filter chambers for more efficient removal of dissolved and solid waste. Simple and quick handle cleaning system for easy maintenance (no need to open and clean foams all the time). Enables rapid growth of aerobic bacteria resulting in removal of lethal ammonia and nitrite. Able to cope with higher water flows compared to traditional gravity filters. Complete with inlet and outlet hose adapters. Pressurized filter allows exiting water to run up-hill maximum 3 m