Heated fresh water supply hoses provide smooth flowing drinking water in freezing temperatures. The heating source is self-regulating, supplying additional heat as needed as the temperature drops - no thermostat is required. Heavy-duty zippered insulation cuffs at each end are included for added freeze protection. This drinking water safe hose operates on 120 VAC and is available in 15 ft., 25 ft. and 50 ft. L in Blue. 21 x 21 x 4
