- "Anti-chew" cord protector
- Quart is great for small dogs; 1.5 gallon is great for large dogs
Made in the USA
Thermostatically controlled to operate only when necessary. Keeps water from freezing in sub-zero temperatures. Heavy-duty "anti-chew" cord protector. Green. Quart is 25 watts; 1.5 gallon is 60 watts. 1 year warranty.