Premium rubber materials ensures long lasting durability and resistance to aging, ideal for frequent driver in extreme weather conditions Provides excellent heat resistance and antiaging to ensures a stable cooling effect under various driving conditions and effectively extend the service life of the engine Environmentally safe materials meet international standards, providing none toxic protected for health conscious users High temperature vulcanized construction enhances heat dissipation and coolant flows efficiency for optimal engine Easy DIYer installation requires none special tools, saving time and effort for vehicle maintenance enthusiasts, Manufacturer: FROMCEO