Coolant Filter, Fluid Type Coolant, Filter Design Spin-On, Thread Size - Automotive Filters 11/16 In., Length 5 3/8 in, Outside Dia. 3 11/16 in, Micron Rating 20, Description/Special Features Coolant Spin-on with BTA PLUS Formula, Height 5 3/8 in, Width 3 11/16 in, Includes 15 Units BTA PLUS, I. Gasket