Clear Site with Hydro-Shield TM offers the ultimate protection against water and other contaminates and extends the life of the filter by draining collected water from the fuel system, providing cleaner fuel critical for today's engines. Clear site bowl units for outboard applications only Outboards: UV Protected drainage bowl with easy turn thumb screw Inboards/Outboards: UV Protected aluminum bowl meets industry fire test requirements High performance 3/8" NPT ports Will not separate 2-cycle oil from gasoline 10 Micron Filtration 85 GPH flo-rate at 3" of mercury Not for use with diesel fuel