Cart Product Price Quantity Total × Machinery Lubrication Engineer (MLE®) Certification Exam Preparation $1,950.00 Machinery Lubrication Engineer (MLE®) Certification Exam Preparation quantity $1,950.00 × Combination Laboratory Lubricant Analyst Level I (LLA I®) and Level II (LLA II®) Certification Exam Preparation $1,900.00 Combination Laboratory Lubricant Analyst Level I (LLA I®) and Level II (LLA II®) Certification Exam Preparation quantity $1,900.00 Code: Apply code Update cart Cart totals Subtotal $3,850.00 Total $3,850.00 Proceed to checkout Coupon codes are not eligible to be used for exam fees. A separate transaction is required.