The Blagdon Mini Pond 12000-9W UVC Filter System is a 6-stage box filter designed for koi garden ponds. Made by the reputable brand Blagdon, this filter system is specifically tailored for ponds, providing efficient and effective filtration. With a compact design and no plug supplied, this product is perfect for smaller pond setups. Originating from China, this filter system offers a reliable solution for maintaining clean and healthy water in your garden or patio pond.