Ultima II Filters are designed for high flow rates, extreme fish loads, and elevated feed rates. At Aqua Ultraviolet, we have years of experience developing high-quality sterilization products for grow houses, aquaculture, pools and ponds, aquariums, and more – and we use cutting-edge technology to provide our customers with the best products. Want to camouflage your filter? In stock. In stock. Optimal Flow Rate 4,000 gph Minimum flow 2,000 gph Max flow 4,500 gph. All the Valves and the head must be exposed. Minimum Flow Rate: for proper backwashing your pump should have enough pressure to be capable of pumping the above minimal flow rate @10' of head pressure. Shipping fees for Plants & Snails are a flat rate charge of $9.95. Dimensions for 1-1/2" Unit: 20-1/2” Diameter x 38” Tall. The Aqua Ultraviolet Ultima II patented media design has 800 cubic feet of surface area per square foot. Ultima II Filter 4000 with 1-1/2-in. No Channeling. Aqua Ultraviolet Ultima II Replacement Filter Media - 8.5 lbs. Filters Ultima II 2000 Filter. Initial Backwash: DO NOT install a filter on a pond with heavy algae content (i.e. It only floats when I introduce air to clean it because I'm using this container as a static filter. Removes Harmful Ammonia & Debris. The high surface area means less volume of media is needed so the filter itself can be smaller Will this filter clear up my green pond water? The Ultima II Filter has a patented backwash system that only takes a few minutes a week to remove dirty water and debris out of the pond without having to drain a sludge valve or scrub the filter. See how the Aqua Ultraviolet Ultima II Filter removes harmful ammonia out of a pond through the patented backwash system in this product demonstration video. The same properties have been added to this media in three different sizes with random lengths and diameters to avoid stacking. The Ultima II 2000 is designed to support aquatic life in bodies of water up to 2,000 gallons. Cleaning the filter is done by internal jets. Models 10,000 - 30,000 ships free by motor freight. Ultra Bio-Media - 8.5Lbs/1 Cubic Foot per Box - A70012. Internal jets in the filter are activated during the backwash separating the waste from the media and sending it out the waste line. Aqua Ultraviolet Ultima II Filters; Aquadyne Filtration Systems; Aquaculture System Technologies; EasyPro Pressurized Bead Filters; Evolution Aqua K1 Filters; Bog Filtration Systems; Gravity Filter . Valve; Pump Recommendation: Optimal flow 4,000 gph at 10" of head. The recommended product is of equal or better value to your current selection. Optimal Flow Rate 4,000 gph Minimum flow 2,000 gph Max flow 4,500 gph. The dense bed of ridged media traps solids without clumping. The internal components are designed to accommodate high flow and heavy solids that occur naturally when aquatic life is present. 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