Features:
No special venting required.
Completely enclosed-no escaping gases.
Positive external no-clog control valve.
Feeder is designed to automatically lower the water level so tablets are not soaking during off period of pump. This allows more efficient use of tablets.
No equipment damage.Feeds sanitizer derectly to pool or spa.
All parts replaceable.
To prevent over feeding during use,completely close the control valve and the built in check valve will prevent chemical from being fed into pool or spa.