The Model 40910WA 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 40910WA utilizes a standard 1 3/8 -12UNF mounting thread 1 inch flow required for most aftermarket, agricultural applications. The 40910WA is a water sensing and particulate removing spin-on filters designed for aftermarket use on variety of applications from power pumps, dispensers and various agricultural applications, as well as commercial and industrial applications. 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 40910WA is not recommended for use with alcohol blended gasoline. Phase separation will not be detected should it occur.