Designed for the Easy Rinse Clean 2-Tank Spin Mop System. This kit is not compatible with single-tank models. What’s included - Four microfiber mop heads, providing ample backups for extended use and regular home cleaning. Key benefits - Fast, simple head replacement keeps your spin mop performing at peak. - Replacing a dirty mop head takes only a few minutes, reducing downtime. How to replace - Remove the old head by pulling the mop head strings. - Press the red frame until the new head clicks into place and is secure. Use scenarios - Kitchen and dining areas after spills or sticky messes. - Bathrooms and tiled surfaces for grout and grime cleanup. - Living rooms, hallways, or entryways with sealed hardwood, vinyl, or ceramic floors. Materials and performance - Microfiber mop heads for effective dirt pickup and quick drying. - Four-head pack provides consistent coverage and long-term usability without frequent replacement. Note - This replacement kit is designed for the 2-Tank rinse-clean system and is not intended for 1-Tank units.