Rapid, convenient and qualitative methods for asymptomatic occult bleeding. Available in guaiac slide -- with both color enhanced sensitivity and readability. On board positive and negative monitors. 20-30% less expense than other FOBT brands. CLIA Waived and FDA 510(k) cleared to market.- Guaiac Fecal Occult Blood Test Developer Solution, 8 x 10mL Developers, 8/bx