The Ultum Nature Systems line of Dual All-In-One rimless aquariums builds upon the cherished features of the standard rimless aquarium, which include flawlessly crafted 45° precision cut mitered edges, unobtrusive silicone and unparalleled clarity thanks to the low iron, 91% Diamant glass formula. All Dual All-In-One Tanks include a native, fully-integrated internal filtration system that eliminates the need for another piece of equipment. The filtration system features a triple chamber that effectively screens out debris, and includes a coarse aquarium sponge, quality biological media, and a quiet but powerful water pump that ensures healthy circulation throughout the entire system. The Dual All-In-One series can be customized with optional accessories to support a successful freshwater or saltwater aquarium setup. Key Features and Benefits The Ultum Nature Systems line of Dual All-In-One Tanks comes with everything necessary for a solid foundation. Each tank includes a standard trumpet outflow.  UNS Rimless Tank: Crafted with precision and elegance, this rimless tank houses your ecosystem. Constructed of low iron, 91% Diamant glass formula for unparalleled clarity. Leveling Mat: Specifically designed to support and stabilize the aquarium's weight while protecting against glass fissures and cracks, ensuring overall structural integrity and resilience. Triple Chamber Internal Filter: A native, fully-integrated internal filtration system that eliminates the need for more equipment, which can detract from the beauty of the aquascape. Features triple filtration chambers that effectively screen out debris. Coarse Aquarium Sponge: Serves as mechanical filtration and occupies the first filtration chamber. Prevents fish waste and plant matter from clogging up the other chambers responsible for screening out finer debris particles. UNS Bio Brick: Serves as biological filtration and provides increased surface area for beneficial bacteria to colonize, resulting in increased biological filtration capacity. Power Head Water Pump: The last filtration chamber houses a compact power head water pump, driving the flow of clean water back into the system. The flow can be easily adjusted, and the filter tubing already comes pre-installed. Product Specifications 30A:Dimensions (LxWxH): 11.81" x 11.81" x 11.81"Tank Volume: 7.1 Gallons 35A:Dimensions (LxWxH): 13.78" x 13.78" x 13.78"Tank Volume: 11.3 Gallons 40A:Dimensions (LxWxH): 15.75" x 15.75" x 15.75"Tank Volume: 16.9 Gallons 45A:Dimensions (LxWxH): 17.71" x 11.02" x 11.02"Tank Volume: 9.3 Gallons 60A:Dimensions (LxWxH): 23.62" x 14.17" x 14.17"Tank Volume: 20 Gallons 90LA:Dimensions (LxWxH): 35.43" x 11.81" x 11.81"Tank Volume: 21.4 Gallons What’s Included 1x UNS Rimless Tank 1x Leveling Mat 1x Media Riser Tray 1x Filter Sponge 2x UNS Bio Blocks (Filter Media Block) *60A model includes 3* 1x Submersible Water Pump 1x Outflow Nozzle 1x Back Chamber Lid