Oase Biosmart Gravity Filter custom_0218 EASY-CHANGE Riser System

EASY-CHANGE Riser System

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Oase Biosmart Gravity Filter custom_0218 EASY-CHANGE Riser SystemMulti stage mechanical and biological filtration system in acompact package. Designed for medium ponds or for ponds moderate biological load. Biological filtration stage water is channeled through a series of foam filters that allow settling of beneficial bacteria. Harmful ammonia and nitrites are converted to nitrates, which support plant life in the pond. Features a built in cleaning mechanism that does not requireremoval of the filter foams during