Spin Mop Replacement Base, Rotating Triangle Mop Head Cover Plastic Base for RinseClean 2-Tank SystemPAY ATTENTIONReplacement mop base is not compatible for EasyWring 1 Tank systems, only the replacement mop base is included, not the mop head and handle. COMPATIBILITYOur Spin Mop Replacement Base measures 4. 5 x 4. 5 in and is 100% compatible with the original 2 Tank system mop bucket and mop head handle! HUMANIZED DESIGNThe mop head base is designed with rounded triangles, which makes it easy to clean up dead corners and reduces the resistance of