mechanical auto drain valve

2 Way Water 1/2'' High - Pressure Mechanical Timer Solenoid Valve Pneumatic Timer for Auto Drain Valve

Automatic Cow Water Bowl Stainless Steel Float Valve Drain Hole Waterer Drinking Bowl for Cow Horse Dog Cattle Sheep Pig

Custom Made Spring Drain Cleaner Spring Skirts Spring Lift Mechanism

Auto Automatic Brass Water Drain Electronic with Mechanical Solenoid Valve Pneumatic Timer

Automatic Waterers Stainless Steel Auto-Waterer Bowl Float Valve Water Bowl with Drain Hole and Plug for Horse Cattle Goat Sheep

OPT Series CS-728A Auto Automatic Brass Water Drain Electronic with Mechanical Solenoid Valve Pneumatic Timer