Memorex OPTIFIX PRO REFILL KIT (32028020) The OptiFix Pro refill kit works with all OptiFix Pro-ET devices (designated on the bottom of the OptiFix Pro device) Kit includes 1 set of replacement cleaning pads and 1 set of replacement repair pads For best results, replace the cleaning pads after 15-20 uses and replace the repair pads after 5-10 uses