Automatic flusher(touch-free flusher,automatic toilet flusher) Brass,chrome Cartridge:500,000 cycles Vacuum breaker design Automatic flusher(touch-free flusher,automatic toilet flusher), manufacturer1. Brass,chrome2. Stable valve, cartridge ensure more than 500,000 cycles3. Low consumption and the battery life is more than 2 years, 4. Vacuum breaker design to avoid pipe flushing noise.5. Two- ...