Water Flow Sensor 1" Stainless Steel Water Flow Hall Sensor Switch DC3.5��24V
For DC 3.5V-24V / Pulse characteristics ( 8xQ-4)±5%, F-frequency, Q-flow- per liter/minute. Features: Light and flexible appearance, small size, easy to install.impeller is inlaid with a stainless steel shaft and is for always wear-resistant.