OASE: BioSmart Pond Filter | External Filter for Ponds 5000g - 10000g | Mechanical & Biological Filtration for Koi Ponds thermostat controller & better water quality

& better water quality

Diameter of Area Kept Ice-Free

allowing one product to work in spring

perfect for vertical and multiple pump applications

Premium fountain tips fit 3/4 HP &  1HP J series floating fountains

OASE: BioSmart Pond Filter | External Filter for Ponds 5000g - 10000g | Mechanical & Biological Filtration for Koi Ponds thermostat controller & better water qualityAtlantic Watergardens and OASE present the BioSmart external filter. These units are for ponds up to 5,000g and 10,000g respectively, and are an excellent upgrade from problematic pressure filters. Flow through bio mechanical filters clean and clear pond water which returns to the pond by gravity BioSmart is an excellent alternative to unreliable pressure filters OASE BioSmart filters use multiple filter zones to slow water, remove debris and provide