Features: 1.Thickened u shaped switch, suitable for large farms, fit for plasson waterer. 2.Can be connected to 8mm/0.3in or 9.5mm/0.4in water pipes, saving time and water, practical and convenient, the switch is necessary accessory for farm use. 3.Simple structure, easy to disassemble and convenient to clean and maintain. 4.Made of plastic material, non toxic and harmless, not easy to oxidize, strong and durable. 5.Close connection, easy to use, no electricity needed, energy saving and efficient. 6.Simple operation, just press the switch to automatically control the water output. Specification: Conditon: 100 percent Brand New Item Type: Poultry U Shaped Switch Material: Plastic Color: BlackandWhite Size(Single): Approx. 8 x 6 x 4.5cm/3.1 x 2.4 x 1.8in Application: Fit for Plasson Drinker Product Function: Replacement accessories used drinking fountains PackageList: 10 x Switch