This FMP 142-1363 is a color coded test strips for testing quaternary ammonia sanitizing compounds "QUAT". The strips are made from high quality litmus paper in a waterproof capped contianer that contain of 100 strips. Featured color comparison chart from 0 - 400ppm to determine how much chemical you are about to use. Product dimensions:-Product weight:0.5 lbs FMP 142-1363 Quaternary amonia compounds "QUAT" Test Strips Made of Litmus paper 0 - 400ppm color coded test chart. Usage Tips:-Additional info:- CHM-T2-FM-002637 #06382