Feature:1. Ultramicro hole designed, can add biological beans directly without the need to place another filter cotton, can make beans roll more smoothly, and the daily cleaning is also easier.2. Equipped with special wall-mounted accessory, bio bean filter and reactor can directly hung on the fish tanks or the filter tanks for using without taking up additional valuable space in the fish tanks system.3. New designed, easy to disassemble type top cover, need to simply unscrew a little more, can take out the whole top cover, to add biological beans, adding work is no longer cumbersome.4. Made of high quality acrylic material, sturdy, durable and long service life.5. Professional manufacture, simple designed, easy to operate and use.Specification:Condition: 100% Brand NewItem Type: FilterMaterial: AcrylicColor: As Pictures ShownReactor Capacity: 2.2LWeight: Approx. 1171gHeight: Approx. 38.3cm/15.08inchBottom Diameter: Approx. 13.4cm/5.28inchWater Outlet Inlet Suitable Connecting Hose: Approx. 15-18mm/0.59-0.71inch.Package List:1 x Filter1 x English Manual1 x Wall Hanging PendantNote:Do not include external pipe fittings or hoses to take over, customers please buy and connect!