TastePURE 25' 1/2" ID,Heated Drinking Water Hoses provides safe drinking water in below freezing temperatures by combining a drinking-water-safe hose with a self-regulating heat source encapsulated in an all-weather, PVC coating. Features machined and Nickel-plated fittings for maximum corrosion protection. Includes a female-to-male adapter for connection of the water source to either end of the hose; depending on the location of your electrical connection. Made in the USA. 120 Volt AC Entire hose is self regulated on temperature, which eliminates the need for a thermostat.