Replacement Auto Drain, Compatible with Grainger Part Number 4HCY9, 4HEP3, 4HEP4, 4HEP5, 4HEP6, 4HEP7, 4HEP8, 4HEP9, 4HER1, 4HER2, 4HER3, 4HER4, 4HER5, 4HER6, 4HER7, 4HER8, 4HER9, 4HET1, 4HET2, 4HET3, 4HET4, 4HET5, 4HET6, 4HET7, 4HET8, 4HET9, 4HEU1, 4HEU2, 4HEU3, 4HEU4, 4HEU5, 4HEU6, 4HEU7, Compatible with Manufacturer Part Number SMRT5100, SMRT5200, Compatible with Brand Parker Balston, Compatible with Series 4HEP3 to 4HEP9, Drain Type Automatic, Includes O-Ring WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -