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 8 Units BTA PLUS I. Gasket