Malida Water Filter 1/4" Float Ball Valve 1 pcs,+ Connector 4 Pcs,+ 5 meters Tubing ,Fish Aquarium Uses 1/4 Inch Supply Wall installation. Suitable for Reverse Osmosis System,Fish Aquarium,etc PVC for corrosion resistance Wall installation Float Ball Valve Shut off Uses 1/4" Supply Tube Tank mount with extended threads on inlet side of valve for mounting through tank wall PVC Mini Float Valve, Tank Mount