Motul Auto Cool Expert Ultra is a concentrated long-life antifreeze designed to be mixed with soft water for immediate use as a coolant. It is formulated with monoethylene glycol and employs hybrid organic/non-organic additive technology, known as Hybrid Tech. This product is compatible with all monoethylene glycol-based coolants and is recommended for use in all cooling systems, including those in passenger cars, heavy-duty vehicles, construction and agricultural machinery, gardening equipment, ships, and stationary engines.