Clear Site with Hydro-Shield offers the ultimate protection against water & other contaminates and extends the life of the filter by draining collected water from the fuel systems. This provides cleaner fuel critical for today's engines to operate at peak performance. Clear Site Water Separating Fuel Filter Canister Only Replace filter every 50 hours Outboard engine use only! Not for use with diesel fuel! 10 micron filtration Product # 033315-10