【Universal Design】This toilet fill valve replacement kit fits most toilet models and brands. It features a US standard G15/16" inlet and an adjustable height, easily extending from 8 to 13 inches for a perfect fit. MPORTANT INSTALLATION TIP – For proper fit, measure the height of your old fill valve before installation and adjust the new valve to the same height to avoid water level mismatch or improper fit 【Enhance Your Toilet's Performance】Fix slow filling, noisy, leaking, or running toilets with this toilet flush valve replacement kit. Experience quiet and rapid tank filling, dramatically boosting your toilet's overall efficiency 【Water-Saving Toilet Tank Parts】Customize the perfect flush with adjustable tank and bowl water level dials. The fill valve delivers the right amount of water to the tank, optimizing performance, saving water, and reducing your water bill 【Efficiently Prevents Leaks】The V-shaped silicone seal ring on the toilet fill valve ensures a tight seal. The durable, leak-proof toilet flapper is crafted from high-quality, corrosion-resistant rubber, offering both strength and flexibility. Its excellent sealing performance effectively eliminates water leakage issues 【Easy to Install】 Installing the float valve replacement kit is quick and simple. The package includes 1 fill valve kit. Just remove the old parts and replace them with the new ones for a hassle-free DIY toilet upgrade