K&H Manufacturing Clean Flow Stock 30-Watt Tank Filter

The Farm Essentials Clean Flow Stock Tank Filter-foots revolutionary design keeps water fresh, clear, and healthy in your stock tank. No more dumping and scrubbing stock tanks every other day, which not only creates a mess but also uses excess amounts of water. The Clean Flow system will keep your stock tank water clean, clear and healthy for up to 30 days, saving time and money.