Winco 16243-000 Vapor Fuel Strainer 3/4″ NPT helps prevent contaminants from entering the fuel system of your Winco emergency standby system. with a dirty system you can experience reduced power output and decreased reliability. Winco provides 40 microns of filtration with the demand regulator that is included standard on each air-cool Packaged Standby System. It is a wise investment to add the vapor fuel strainer. This device provides a redundant layer of protection to prevent troublesome contamination that can enter your fuel system from a variety of sources.