【Universal Compatibility】Compatible with most toilet models and brands, this toilet fill valve replacement kit features a US standard G15/16" inlet. Its height is easily adjustable from 8 to 13 inches, ensuring a perfect fit for various tank sizes 【Upgrade Your Toilet’s Performance】 Fix slow filling, noisy, leaking, or continuously running toilets with this high-performance flush valve replacement kit. Enjoy a quieter bathroom experience with rapid and efficient tank refilling, improving both water efficiency and flushing power 【Water-Saving Toilet Tank Parts】 Customize your flush with adjustable tank and bowl water level controls. The fill valve ensures precise water delivery, optimizing performance while conserving water and lowering your water bill 【Effectively Prevents Leaks】 The V-shaped silicone seal on the fill valve ensures a secure, watertight fit. The durable, leak-proof flapper is made from premium, corrosion-resistant rubber, combining strength with flexibility for long-lasting performance. Its superior sealing capability effectively eliminates water leakage issues 【Easy Installation】 The float valve replacement kit is quick and simple to install. The package includes 1 fill valve and 1 2-inch flapper replacement. Just remove the old parts and replace them with the new ones for a hassle-free DIY toilet upgrade