The Model 51110W is a water sensing and particulate removing filter with 10 micron cellulose media which is recommended for gasoline and diesel fuels when a higher cleanliness level is required. The 51110W utilizes a standard 1.5 inch -16 UNF mounting thread 1 inch flow required for most most spin-on filter adaptors used in aftermarket high flow applications. The 51110W is a water sensing and particulate removing spin-on filters designed for aftermarket, cost efficient filtration of fuels at high volume fueling locations such as truck stops, cardlock sites, and industrial and commercial. It utilizes an epoxy coated interior shell to eliminate oxidation which can cause pin-hole leaks from the inside. PetroClear filters are not to be used with aviation fuels. The 5110W is compatible for use alcohol blended fuels with 15% alcohol. This filter is for particulate removal only and will not react to water. Phase separation will not be detected should it occur.