Stable water outlet with lownoise operation for a quieter bathroom environment during use. 4way copper pipe inlets provide multiple supply paths from a single inlet, making bathroom renovations more efficient. sealing properties with adjustable float height allow precise control of water flow and level, reducing leaks and waste. Plastic and brass head construction offers durability and resistance to wear and aging. Sideentry inlets designed for easy installation, delivering faster and cleaner water supply. Suitable for those looking to upgrade their toilet. Use scenarios Residential bathroom renovation: an aging toilet valve with this 4way copper pipe inlet to achieve stable supply, quiet operation, and adjustable flow control. Toilet upgrade in homes or apartments: install the sideentry inlet for a faster, cleaner water supply with easy float height adjustment for better water management. construction or commercial restrooms: professional installation of sideentry inlets to ensure quick, reliable water delivery and simplified maintenance.