Product Details: The Baldwin 2 21/32" Fuel Storage Tank Filter Base is designed to provide a secure mounting and protect the fuel filter from damage. This filter base helps to extend the lifespan of the fuel filter and reduces the risk of leaks by providing a secure fit. It features an inlet connection size of 1" NPT and an outlet connection size of 1"NPT. This filter base meets all the necessary safety and performance standards. FleetPride is your First Click in Heavy Duty®.