- No special venting required

- Completely sealed,no escape of gase

- 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.That allows more efficient use of tablets

- No products damage.Feeds sanitizer directly to pool or spa.

- 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

- All parts are replaceable