High quality Product Name: Toilet Water Tank Accessories Suitable for most toilets available on the market, including squat plastic water tanks. Ideal for replacing or repairing older toilet tank components. Product 1: Dual-Button Flush Mechanism for Top of Toilet Tank Outer spiral thread diameter: 5.8 cm (fits tank cover hole sizes up to 6.5 cm) Features multi-layer chrome plating for a bright, durable, and wear-resistant surface Product 2: 20 cm Flush Valve for Connected Toilet Tank Height: 20 cm Made from durable PP material Includes high-quality rubber gasket Product 3: Adjustable Toilet Inlet Valve Adjustable height: 20–30 cm Standard four-point connection interface Material: Plastic Color: White + Blue Package Includes: 3 pieces of toilet tank accessories Note: The package includes only the items listed above. Other accessories shown in images are not included. Lighting and monitor settings may cause slight variations in color between the product image and the actual item. Measurement tolerance: ±1–3 cm.