Ryco Oil Filter - Z608 Genuine quality is based on performance and genuine performance is based on efficiency, life and flow. The Ryco design philosophy is to meet the vehicle manufacturers' performance requirements. This philosophy ensures Ryco filters excel in the three critical areas of Efficiency, Life and Flow. Ryco oil filters are designed to meet or exceed the vehicle manufacturer’s specification and provide optimal filtration for the specified service interval. Ryco achieve this by measuring the three critical areas of efficiency, life and flow. Height Overall 50.00 mm Diameter 76.00 mm Seal Diameter 71.00 mm Thread M20 x 1.5 Relief Valve Yes Anti Drain Back Valve Yes Anti Syphon Valve No Micron Rating (@ 98.7% efficiency) 35.00