set2: 1 x 8 way O2 valve + 3 x Suction CupsProduct Name: Aquarium Bubble Wall TubeConnected Tube Size: 58.4cm x 0.9cm / 23 inch x 0.35 inch(L x D)The air can be distributed in appropriate proportions and supplies with 8 the handler to your fish storage.Lever valve you can make it easy to use.The plastic pipe is never rusty in water, like the common metal ones.The air outlet of aquaculture air valve can be connected to aquarium hose.Instantly creates a mist of tiny bubbles that your fish will love.Bubble wall comes complete with suckers to attach it to your aquarium and a free converter to add additional bubbles walls.Additional bubble walls can be joined with the enclosed connector, can be cut with a razor bladed to divide or shorten.You can use a pin or a needle to punture with as many small holes as needed.Product name: 8 way O2 valveMaterial: hard plastic/Plastic,Rubber,PolycylSize: 14.7 x 5.8cm/5.7 inch x 2.2 inch (L x W)Inlet diameter (OD): 8mm/0.3 inchOutlet diameter (OD): 5.2 mm/0.2 inchColor: white/BluePackage Contents:1 x 8 way O2 valve3 x Suction CupsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.