Description Coolant Filter, Fluid Type Coolant, Filter Design Spin-On, Thread Size - Automotive Filters M36 x 2.0mm, Length 5-13/32 In., Outside Dia. 3-3/4 In., Micron Rating 25, Description/Special Features Coolant Spin-on with BTA PLUS Formula, Height 5-13/32 In., Width 3-3/4 In., Includes 11 1/2 Units BTA PLUS, I. Gasket.