Control the flow of vital O2 from your pond aerator or aquarium air pump with this handy Lever Air Pump. Lever valve let you operate it easily.
Air flow control valve;fit for :aquarium, fish tank
Material : stainless steel;outlet hole diameter : 3.2mm / 0.126"
Size : 29 x 21 x 8mm / (l*w*t);color : silver tone
Weight : 28g
Package content : 4 x air flow control valve