The product is a textbook titled "Essential Air Monitoring Methods: From the MAK-Collection for Occupational Health and Safety" published by Wiley & Sons, Incorporated, John. It falls under the subject area of Technology & Engineering, Science, and Medical. The author, Harun Parlar, provides a comprehensive guide on air monitoring methods for occupational health and safety purposes. With 426 pages and a hardcover format, this textbook covers essential topics in environmental science, industrial health and safety, and occupational medicine, making it a valuable resource for professionals in this field.