TEU1LAR#CP Toto EcoPower High-Efficiency Urinal Flush Valve 0.5 GPF - Chrome 0.5 GPF Self-powered hydroelectric flush valve system No minimum daily usage requirement Durable chrome plated body with tamper-proof screws and solid bronze valve body Neutral rough-in and adjustable tail piece connection True mechanical flush override Smart sensor with self-adjusting detection range 6-second detection time with no flush delay Automatic maintenance flush after 12 hours of inactivity For urinal with 3/4 in top spud inlet ADA compliant