Product details: Effective clear water through the perfect combination of filter system and UVC technology (42W) Simple handling and convenient, patented cleaning mechanism Can be perfectly integrated into the natural pond landscape Suitable for koi pond of 5000l. Low stock pond: 10000l. No fish: 19000l. Max Flow Rate: 13000lph. Measures (Ø x H): 380mm x 608mm POND FILTER: Patented cleaning mechanism with optimised filter sponges CONVENIENT: Easy to maintain and clean thanks to simple handle mechanism EASY LAMP CHANGE: The UV lamp can be changed while the unit is running - no need to switch off the filter, no need to dismantle the quartz glass PROTECTED: The high-quality UVC housing protects the ballast unit from sunlight and moisture POWERFUL: All latest generation FiltoClear models feature upgraded, highly effective UV lamps 2-WAY VALVE: Choose whether the water flows into the pond or into the waste water after cleaning the filter IMPROVED EFFICIENCY: The built-in OASE bypass technology ensures optimum water flow and prevents the filter from clogging STABLE AND ROBUST: The hard-wearing housing made of high-quality plastic can be easily buried in the ground and impresses with its long durability UNDER PRESSURE: The metal clamping ring with simple lever function makes opening and closing a FiltoClear safer and easier than ever before Ideal for supplying higher elevated watercourses or waterfalls Setup below the surface level of the water is also possible Spare Parts. We keep a range of spare parts for all Oase products. If you need a part, click on the exploded diagram, note the part number and contact us for availability and price.