Top 8 Under Aquarium Cabinet Wet/Dry Filter Picks

Multifunction aquarium wet/dry filtration system. Dual chamber design can be operated in three ways. Use four included 100-micron filter bags for 100% Berlin filtration. Or, fill both chambers with bio-balls to increase biological filtration. Or, use biological filter media in one chamber and a filtration bag in the other for superior water clarity. Includes two fluidized bed chemical filtration reactors that accept any loose chemical filter media. Wet/Dry filter housing is made of cell-cast acrylic with injection-molded components. Features a noise reducing chamber, protein skimmer return port, super-flow capacity weir rated to over 2,000 gph, one wet/dry filter drain kit, and an 18 gallon capacity sump. For aquariums up to 125 gallons.

Compact unit that fit under most aquarium stands. Constructed of heavy-duty acrylic with flame polished edges and non-warping lid, and utilizing the same revolutionary Bio-Bale media as the CPR Wet/Dry Filter above, the Cyclone Bio-Filter comes equipped with a built-in venturi protein skimmer and powerhead, which features a bypass for constant water and air mixing for maximum skimming action. The purchase of a pump, return line materials, and possibly other items are required to run this filter.

Complete hang-on wet/dry filtration system in a compact design that requires no under-aquarium cabinet space or additional plumbing. Uses only 5" space between the tank and wall! Everything is included, even the lighting. The perfect wet/dry solution for beginner marine aquarists. Grow beneficial macroalgae and microorganisms for improved water quality and a natural food source for your aquarium fish and invertebrates. Fits all glass and most acrylic aquariums.

Long known for their top quality products, Ehiem offers a number of wet/dry, canister style filter systems. Each unit comes complete with a 25 watt 145 gph pump, and either 2 or 3 filter media compartments. These compact, free-standing units are very efficient and will fit almost anywhere.

Compact wet/dry filters fit in cabinets without sacrificing functional space. Smart, easy-access sump allows convenient installation of return pump. Wet-dry trickle filter provides efficient biological filtration to process toxic ammonia and nitrite. Includes overflow box, bio balls, drip tray and cover, egg crate, filter pad, return nozzle with vinyl tubing, 1" bulkhead, and 3 ft. x 1-1/4" flex hose. Requires appropriately sized return pump.

High quality acrylic wet/dry sump filter is engineered for quiet and easy operation. Unique multi-chambered sump expels air bubbles quietly through the primary "Bubble Chamber" and through a final bubble defusing sponge. Reduces gurgling noises and air bubbles that may affect pump performance. Features removable filter media drawer that slides out easily to be filled with your favorite media for custom filtration.

The overflow, sump style Wet/Dry series filter by PAS is available in a compact Slim Line 60g model designed to fit tight cabinet spaces, larger 75, 125, 175, 200, 300, and 400 gallon capacity units. Each includes a pre-filter, bio-ball filled media chamber, and all tubing. The Pro Wet/Dry series 75, 150, 200 and 300 units have the same above features that include a skimmer placed before the biological media chamber, which can easily be removed during filter operation for cleaning, a pump for skimmer operation, a choice of with or without a pre-filter models, and many other features. A return water pump is required.

New generation filter combines the filtering capacity of a wet/dry, protein skimmer, and the ease of setup of a canister filter. Recirculates 700 gallons of water per hour for ideal water quality. The Surface Skimmer Overflow's patented stop and start feature combined with the Aqua Lifter self-priming water pump maintains even water flow and prevents flooding. 4 gallon Auto Fill System automatically replaces evaporated water. For saltwater aquariums up to 150 gallons.