Features:-

1. No Special venting required
2. Completely enclosed-no escaping gases.
3. Positive external no-clog control valve.
4. Feeder is designed to automatically lower the water level so tablets are not soaking during the off period of the pump. This allows more efficient use of tablets.
5. Size Available: 4.5LB- 2kgs / 9LB - 4kgs.