Test Paper, Test Form Paper, Overall Length 15 ft, Test Type Test Papers, Testing Parameter One Quaternary Ammonium, Overall Width 1/4 in, Parameter Measurements Included 0 to 400 ppm Quaternary Ammonium, Number of Tests 100, pH Resolution Not Applicable, Test Detects For Quaternary Ammonium, Includes (50) 15 ft rolls, Parameter Five Measurements Included Not Applicable, Parameter Four Measurements Included Not Applicable, Parameter Three Measurements Included Not Applicable