High quality Product Name: Toilet Water Tank Accessories Designed for use with rubber seals, providing stability, high pressure resistance, quiet operation, water-saving performance, and reliable quality. Compatible with most toilets available on the market, including squat plastic water tanks. Ideal for upgrading or maintaining older toilet tank components. Product 1: Dual Flush Button for Toilet Tank Top Outer thread diameter: 5.8 cm (fits tank cover holes measuring 5.8 cm up to 6.5 cm) Features multi-layer chrome plating for a bright, smooth, wear-resistant, and durable surface Product 2: 20 cm Toilet Drain Valve Height: 20 cm Constructed from durable PP material Equipped with a rubber gasket for reliable sealing performance Product 3: Adjustable Toilet Inlet Valve Adjustable height: 20–30 cm Standard four-point connection interface Material: Plastic Color: White + Blue Package Contents: 3-piece toilet tank accessories set Note: Only the items listed above are included; other accessories shown are not part of the package Note: Lighting and monitor settings may cause slight variations in color between the image and the actual product. Measurement tolerance: ±1–3 cm