Filtral UVC 1500 Pond Filter by Oase (UK) LtdUnderwater filter with UVC for small ponds. Compact all rounder for small ponds, to supplement a filter system, or suitable for decorative pools such as zinc tubs or barrels. Product Details: Multifunctional compact solution ideal for pre fabricated pools and smaller ponds Clear water, guaranteed, and beautiful fountains The technology is virtually invisible because it is set up underwater Including OASE Clear Water Guarantee Compact filter unit with