Chemteq - Model 7402 -Acids DG Filter with End-of-Service Life Indicator (ESLI)

The Acids DG Filters with end-of-service life indicator (ESLI) is an efficient and reliable filter most suited for chemical processes and reactor vents. The ESLI allows user to safely use filter without the possibility of toxic gases and vapors breakthrough to the surrounding environment. The ESLI changes color when the filter is about 75% to 80% consumed, allowing 20 to 25% of sorption media as safety buffer.