Water Saving: The half flush uses minimal water for liquid waste, while the full flush provides powerful performance for solid waste. Durable & Corrosion-Resistant：Made from high-quality polypropylene (PP) and durable gaskets, R&T toilet flush valve ensures durability, resists corrosion, and provides long-lasting performance for everyday use. Please note: It is not compatible with one-piece toilets.This toilet flush valve replacement kit is designed specifically for two-piece toilets with a 3-inch flush outlet
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