- About the BioTec 30 Flow-Through Pond Filter Featuring a sludge drain for simple flushing out of coarse pollutants, this filter is compatible with a UVC filter, sold separately. The filter measures 120 x 80 x 73cm, has a maximum flow-rate of 23,000lph, and an outlet of 100mm (4″). Recommended UVC FilterOase Bitron 110w UVC This high-quality filter is one of the easiest to maintain with an extremely low maintenance design. Coarse particles are picked up by brushes and then a mixture of multiple sponges and filter mats ensure clean water. Plus, this filter can be buried in the ground up to 2/3 of its height. Suitable for ponds up to 120,000 litres (no fish), 60,000 litres (goldfish), 30,000 litres (koi-fish). Multi-zone filter with special filter foams for effective removal of pollutants and nutrients Mechanical/biological decomposition process for highly effective breakdown of harmful substances Filter brushes for removing coarse debris Bottom drain for easy flushing out of coarse pollutants Easy cleaning and maintenance Connection possibility for OASE Bitron UVC clarifiers Includes OASE 3 Year Clear Water Guarantee Measuring 120 x 80 x 73cm, the BioTec 30 has a maximum flow-rate of 23,000lph, and an outlet of 100mm (4″). Contact us today on 01256 883907 for pond-filter fitting, maintenance, and suitability advice. We are always happy to help! Why Pond Filtering is Important Pond filtering helps to maintain a healthy pond ecosystem by removing excess nutrients, debris, and other harmful substances that can accumulate over time. This can prevent the growth of harmful bacteria and algae, which can lead to poor water quality and health issues for fish and other aquatic life. Additionally, a well-maintained filter can help to improve the overall appearance of the pond and make it a more pleasant place to visit. Technical Information Dimensions (L x W x H)mm1200 x 800 x 730Net weightkg81.50Limited WarrantyYears3Number of filter brushesUnits6Number of filter matsUnits5Number of filter foams, totalUnits14Number of blue filter foamsUnits10Number of red filter foamsUnits4Temperature displayNoInlet connectionsmm25 / 32 / 38 / 50Inlet connections1″, 1 ¼”, 1 ½”, 2″Outlet connectionsDN 110Sludge discharge connectionsDN 75Max. flow ratel/h23000Suitable for ponds up to max.m3120.0Suitable for ponds with fish stockm360.0Suitable for ponds with koim330.0Connection toBitron C 72 – 110 W, Bitron Eco 120 – 240 W