The Red Goat A-RSA4 is a high-quality sink assembly designed for efficient waste disposal. Featuring a 4-1/2" diameter throat size, this assembly includes a durable stainless steel sink adaptor ring for secure installation. The vinyl silver trap scrapping ring enhances functionality by preventing clogs and ensuring smooth operation. With an impressive flow control valve that manages up to 8 gallons per minute, it optimizes water usage while maintaining performance. Additionally, the 1/2" vacuum breaker is included to prevent backflow, ensuring a safe and reliable setup for your disposal needs.