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Aqua Ultraviolet Ultima II 6000$3,514.55
Pressurized WITH No UV Pond Filters < Aqua brings you Ultima II, the next generation of filters and the best tool for Koi ponds. Specifically engineered to meet the environmental demands of ponds. The unique lightweight tubular Bio-Media has low head loss and a very high biofilm surface and is designed for very high flow rates.
It protects beneficial bacteria while dislodging unwanted debris. Ultima II filter 2"" multi-port valve 5 cu ft media. One cubic foot of media is equal to 750 square feet of suface area.
Cleaning is done by internal jets. For ponds up to 6000 gallons. size; 22.5"" dia x 41"" tall.