Camco gallon -50 degrees easy going RV antifreeze 100% propylene glycol formula ideal for trailers boats mobile homes cottages swimming pools RV s & safe for fresh water systems provides burst protection down to - 50 degrees Fahrenheit -46 degrees centigrade use full strength no mixing required odorless & tasteless all ingredients are listed in us federal register. This product adds a great value. Product is highly durable and very easy to use. This product is manufactured in United states. This product adds a great value Product is highly durable and very easy to use This product is manufactured in United States