FRAM TG9549 Tough Guard Oil Filter: * Industry exclusive, patented time-released gel additive * Conditions oil through the entire change cycle * Helps neutralize acids * Slows down viscosity increase * Ideal for older engines * Uses cellulose and synthetic glass blended media * Provides 3 times more engine protection * 95 percent dirt trapping efficiency * Helps keep oil from breaking down * Additives are time-released * Maintains viscosity * Reduces corrosive engine wear * Keeps engine components cleaner