Easy going -50 propylene glycol base high-grade antifreeze for complete freeze protection requirements. Protects recreational vehicles and summer cottages, and swimming pools from water system freeze up to -50 deg. burst. Nontoxic and tasteless. Safe for fresh water systems. Inhibit fouling and corrosion while preventing algae growth. Helps lubricate pumps and valves throughout the system. 100% concentrate - no mixing required. 1 gallon. No. 30757: Container Size: Gallon, Formulation: Propylene Glycol, Temperature Rating: -50 F, Color: Pink, Pkg Qty: 1, Package Type: Bottle Thanks for shopping Hipp Hardware Plus's Online Store for all your DIY and Home Improvement needs. Remember Hipps Help!