[Widely Use]-- This aquarium air pump splitter is used for aquarium and aquaculture applications. Air lever valve can be connected to aquarium tubing. [Easy to Use]-- aquarium air pump control valve equipped with the flow control valve, accurately adjust the air flow, easy operation. [Shunt ]-- Oxygen aeration pump accessories, can be used for shunt . [Material]-- This fish tank air pump splitter is surface, durable and sturdy, long service life. Suitable hose: Outer diameter of air inlet: 8mm, suitable for 8 x 10mm hose Outer diameter of air outlet: 4mm, suitable for 4 x 6mm hose colour:Silver Material:stainless steel size:Length 11.5cm, width 6cm Package Contents: 1 x air pump splitter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.