Product Description: Advantages: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.The floating ball is adjustable to control the height of the water level.4.The valve inlet side is equipped with a mounting piece with an extended thread for installation through the partition. Its function is to automatically start and stop the water flow.5.Suitable for reverse osmosis systems, aquarium water purifiers, aquaculture, reservoirs, industrial and large water tanks, etc. Attentions: Please check the size before buying. Specifications:Material:POMColor:White,BlueSupport the maximum thickness of the partition: 8MMConnector caliber: Connect 1/4inch PE PipeSize:Pipe Fitting Thread:1cm/0.39inch(Dia) Interface:0.65cm/0.26inch(ID)Float Valve:15x4.5x7.2cm/5.91x1.77x2.83inch(TL x Dia x Ball L)Weight:72g Package include:2 x Float Valve2 x Fittings 1/4inch