Drum Cover, Compatible Drum Grainger Part Number 2GTW4, 2GTW7, Compatible Drum Manufacturer Part Number CQ5506LT234, CQ5506QL, Center Opening Diameter Not Applicable, Cover Color White, Cover Material Steel, Drum Closure Open Head Lid, For Drum Capacity 55 gal, For Drum Outside Diameter 23 in, For Drum Type Open Head Steel Drums, Fusible Link No, Number of Bung Holes 0, Resistance Properties , Seal Material EPDM Rubber, Self-Closing Lid No, Includes Epoxy/Phenolic Lining