uxcell Plastic Aquarium Fish Tank 8 Layer Undergravel Filter Board Air Tube 32pcs Black Keep your water of aquarium and fish tank clean to provide a better life environment. Material : Plastic;Total Size : 28 x 14 x 9.5cm/ 11" x 5.5" x 3.7"(L*W*T) Each Size : 14 x 7 x 1.2cm/ 5.5" x 2.8" x 0.5"(L*W*T);Air Stone Size : 1.5 x 2.7cm/ 0.6" x 1.1"(D*H) Hose Hole Diameter : 0.5cm/ 0.2";Product Name : Fish Tank Filter;Fit for : Aquarium, Fish Tank Net Weight : 668g;Package Content : 1 x Fish Tank 32P Filter Board1 x Tube1 x Air Line Hose;Color : Blue, Clear White,Black