"This LiquiDynamics 1-micron filter is a large, efficient 10in. filter element replacement designed to fit the LiquiDynamics diesel exhaust fluid filter housing Item# 21908 with 3/4in. inlet and outlet ports. Meets ISO 22241 specifications. U.S.A. Outlet Port in. 3/4, Material Type Polypropylene, Diameter in. 2 3/8, Inlet Port in. 3/4, Dimensions L x W x H in. 2 3/8 x 2 3/8 x 10. Spun polypropylene Ensures a low pressure drop Large dirt holding capacity 2 3/8in. dia. x 10in.L"