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Product Catalog > Filters and Skimmers > Gravity Filters Gravity FiltersThese filters sit above the water. The pump which can be in or out of the water forces water into the top of the gravity filter and the water is filtered through lava rocks or Bio-balls and then through a filter mat. Gravity then forces the water back into the pond either directly or through a waterfalls.
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Trickle filtration and BioRing media. Fine and coarse mechanical filtration material. Includes activated carbon pad. Venturi, overflow, and internal spray... See details |
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