Uxcell 28-Piece Plastic Aquarium Undergravel Filter Air Line Hose, Black Product Name : Aquarium Undergravel Filter; Fit for : Aquarium, Fish Tank; Material : Plastic Each Size : 140 x 70 x 12mm/5.5" x 2.8" x 0.5"(L*W*T); Total Size : 280 x 140 x 85mm/11" x 5.5" x 3.3"(L*W*T) Tube Size(Approx.) : 32 x 2.5cm/12.6" x 1"(H*D); Air Line Hose Size : 50.5 x 5mm/2" x 0.2"(L*D) Air Stone Size : 2.5 x 1.4cm/1" x 0.6"(L*D); Main Color : Black, Clear Weight : 417g; Package Content : 28 x Fish Tank Undergravel Filter,1 x Tube,1 x Air Hose Line w Air stone