The American Standard Manual Flush Valve 16T983 is a durable, high-quality flush valve designed for manual flushing of commercial toilets and urinals. It features an exposed chrome-plated body with tamper-proof setscrews, sweat solder kit, high back pressure vacuum breaker, adjustable tailpiece, and vandal-resistant stop cap. This valve has a flow rate of 1.6 GPF and is ADA compliant. The sweat solder kit allows for left or right hand supply. This commercial-grade flush valve is made in the USA and built for longevity in high traffic restrooms.