The product is a textbook titled “Water and Wastewater Technology (7th Ed)” authored by Mark J. Hammer Jr. and Mark J. Hammer. Published by Prentice Hall PTR in 2011, this revised edition covers subject areas related to environmental water supply, waste management, and general environmental topics. The hardcover book, measuring 10.9 inches in length, 8.4 inches in width, and 0.9 inches in height, spans 528 pages and weighs 38.4 ounces. Written in English, this textbook is a valuable resource for students and professionals in the field of water and wastewater technology.