Purolator PL10193 PureONE Oil Filter Exclusive Micronic Filtration Silicone Anti-Drain Back Valve - Retains oil in the filter for superior protection at start-up PTFE Treated Sealing Gasket - reduces friction to assist in removal of the filter More Pleats - Provide more filter surface area to prevent oil restriction and adds an extra measure of protection Gold in color Recommended replacement every 12 months or 12,000 miles for optimum performance* Encourages better airflow through the vehicle Easy installation with instructions included in every box Optimizes HVAC and defroster performance