High Quality & Fine Workmanship -- Made of premium ABS material, which is and corrosion resistant. Antisiphon -- With anti-siphon function, good stain resistance, adapt to different water quality. Easy to install -- It's easy to install & keeps your toilet running smoothly & quietly after each flush. Reasonable Hydraulic Design -- High pressure resistance, low pressure water inlet, higher quality requirements. Water Stability -- The drainage is stable, the stability of the remaining water level of the single drain valve is kept within 3mm, and the batch stability is ±2mm., Weight: 0.9259415004 pounds, Manufacturer: Garosa