The TOTO USA Non-Hold Drain Valve Tower (Model: THU491) is designed for efficient drainage in TOTO toilets. This valve tower is constructed from durable materials, ensuring long-lasting performance. It features a non-hold design that allows for quick and effective drainage, making it ideal for high-use environments. The valve is compatible with various TOTO models, ensuring a perfect fit and easy installation. Engineered to meet TOTO's high standards, this drain valve tower provides reliable operation and enhances toilet efficiency.