Professional-grade diagnostic kits for the rapid and qualitative detection of Fecal Occult Blood (FOB) in human stool specimens. This high-sensitivity immunochromatographic test is a vital non-invasive tool for early screening of gastrointestinal disorders, including colorectal cancer, polyps, and ulcers. Designed for clinical laboratories and gastroenterology departments, providing accurate visual results within 5–10 minutes to support effective patient management and preventive screening programs.