1.Tank mounted installation: Simply hook bidet sprayer head holder to your toilet tank, saving bathroom space and no need to drill holes. 2.Wall mounted installation: Available to supply multiple use according to your different needs, such as cloth diaper sprayer, pet shower, car wash, baby shower and so on. Features: 1. Anti-rust, Anti-corrosion, Anti-oxidation, High temperature resistance, No impurities, Easy to clean, Not easy to deform, No water leakage. 2. Dual-control water outlet, independent switch, can control the water flow conveniently and quickly. 3.Save time by connecting two different devices at the same time. 4. The installation is very easy, you don't need to hire any staff. Specification: Product Name: 1-In-2-Out Dual Control Valve Material: Brass Spool: Ceramic Spool Dimensions: 7.87inch/20mm each value Product Type: One In Two Out Package Included: 1Pc/Set * 1-In-2-Out Dual Control Valve Notes: 1.Our dual valve size is applicable to most American toilets, the diameter for the T-valve connecting your toilet tank or supply line is about 7.87in/20mm. 2.Due to different measuring tools or measuring methods, there is a slight difference in product size, please refer to the actual product. 3.If you have any questions, please contact us via email. We will definitely give you a satisfactory answer