Carbon Filter, Maximum Aerosol Can Height 10 in, Product Type Carbon Filter with Reusable Housing, Includes Indicator Check Valve, Compatible Grainger Part Number 19ZN24, 436D37, 53JT40, Compatible Mfr Part Number 10004290, 10004700, 10004840, Filter Life 90 day, Features Viz-a-Ball(TM) Indicator showing When The System Is Completely Depressurized and is Safe to Open, California SB1158 Compliant Yes, Filter Media Carbon, Filter/Cartridge Type Carbon Filter, Filters Out VOCs