Features: 100% brand new and high quality bathroom toilet fill flush valve button kit. Made of premium material, which is durable and has long service life ≥ 800,000 times. High pressure resistance, low pressure water inlet and higher quality requirement. With water stop, anti-siphon function and good stain resistance, adapts to different water quality. Non-toxic, acid and alkali resistant and easy installation, a good replacement for the broken one. The drainage is stable, the stability of the remaining water level of the single flush valve is kept within 3mm, and the batch stability is ±2mm. Specification: Condition: 100% Brand New Material: ABS + POM Color: As shown in picture Toilet Flush Valve Parameter: Diameter: 2.5 inch, suitable for ceramic mouth diameter 650-700mm Type: Full drainage, half drainage adjustable Drainage Rate: >2.4L/s Remaining water level: The remaining water level in the half drainage is ≥100mm; The remaining water level in the full drainage is 40-65mm Toilet Fill Valve Parameter: Inlet Outlet Water Pressure Range: 0.02-1.6MPa Replenishment Water Amount Range: 0-30% Inlet Flow Rate: 0.24L/s Thread Size: G1/2" Package list: 1 * Toilet Fill Valve 1 * Toilet Flush Valve 1 * Switch Button Note: 1. This product is suitable for most connected water tanks with a height of 255mm-305mm. Please confirm before purchase. 2. Default shipping 5.8 inch round double button. 3. Flush valve diameter 2.5 inches (63.5mm). Inlet valve thread G1/2". 1、100% brand new and high quality bathroom toilet fill flush valve button kit 2、Made of premium material, which is durable and has long service life ≥ 800,000 times 3、High pressure resistance, low pressure water inlet and higher quality requirement 4、With water stop, anti-siphon function and good stain resistance, adapts to different water quality 5、Non-toxic, acid and alkali resistant and easy installation, a good replacement for the broken one