These are a high quality Crucial Vacuum Brand replacement set of 2 pads designed to fit HAAN® SI25, SI-40, SI-60, SI-70, SI-35 Steam Mop, SV-60, or MS-30 Steam Cleaner Floor Sanitizer Models. These replacement pats replace HAAN® Part RMF-4 HAAN® Ultra-Microfiber Cleansing Pads for use on HAAN® Floor Sanitizers. This replacement pack includes two blue pads.To attach these pads, they attach via velcro to the underside of these HAAN® models:HAAN® SI-35HAAN® MS-30HAAN® SV60HAAN® SI-25HAAN® SI-40HAAN® SI-60HAAN® SI-70The pads are designed to be larger to allow for no touch pad attachment and removal, this will allow you to remove a dirty pad without touching the bottom of a dirty pad. You mach machine wash these pads for reuse but it is not recommended to use the dryer, air drying will provide you with more uses.** Not for use on the HAAN® FS-20, FS-30 or FS-50 (please refer to MF-2, MF-2P, or MF-4 Ultra-Microfiber Cleansing pads).Designed & Engineered By Crucial Vacuum. This is a generic product designed and engineered in the United States by Crucial Vacuum. This is not a HAAN® OEM product and is not covered under any HAAN® manufacturer’s warranty. The HAAN® brand names and logos are the registered trademarks of their respective owners. Any use of the HAAN® brand name or model designation for this product is made solely for purposes of demonstrating compatibility.