Hemoccult II® Sensa Dispensapak® Plus Rapid, convenient and qualitative method for detecting fecal occult blood which may be indicative of gastrointestinal disease. Sensa Dispensapak® Plus is designed so patients can collect serial specimens at home from bowel movements over 3 days. Hemoccult II SENSA is the enhanced Hemoccult product that provides improved readability and higher clinical sensitivity over regular Hemoccult and other FOBTs. The Hemoccult II SENSA has been proven to give the highest clinical sensitivity readings (92%).