Test Strips, Test Form Strip, Overall Length 15 ft, Test Type Test Strips, Testing Parameter One Quaternary Ammonium, Overall Width 1/8 in, Parameter Measurements Included 0 to 500 ppm Ammonia, Number of Tests 10, pH Resolution Not Applicable, Test Detects For Quaternary Ammonium, Includes (10) 15 ft rolls, Parameter Five Measurements Included Not Applicable, Parameter Four Measurements Included Not Applicable, Parameter Three Measurements Included Not Applicable