Description Do you want a kind of professional adjustablewater level float valve? Do you want to clean your face thoroughly? This can beyour best choice. Really practical and useful, just use it to control fish tankwater level at will. Features -Color:As Shown -Material:plastic, acrylic-Size:10.00X10.00X4.00cm/ 3.93X3.93X1.57in- Fish tank automatic water replenishmentdevice, no need for electricity, free lifting, controlling the water level,floating ball replenishing water. - Use atmospheric pressure or waterpressure for water replenishment work, simple and convenient operation. - Simple and convenient installation, justattach to the tank wall. - Rotating floating ball, can adjust thewater level widely. - It is suitable for fish tanks andaquariums. Packing list: 1 x floating ball valve2 x brackets1 x bent connector5 x screws1 x gasket1 x 2m 1/4 inch pipe1 x hose connector