We are proud to announce the introduction on the marked of a new test for QUANTITATIVE determination of FOB (Fecal Occult Blood). The new kit in format of 200 test, has been compared with other well known kits giving a very good correlation. Its sensitivity and linearity get it as a test of election for the monitoring of COLON CANCER DESEASE whom incidence on the world population is continuosly inceasing. The reagent is easily applicable to automatic nstruments.