Home Spa Kit: The MicrodermMD and UltradermMD kits includes 1 pack of 100 filters, so you can replace them after each treatment. The replacement filters are made of high-quality wool that is ideal for professional beauty High Quality Filter for Microdermabrasion Devices: The RejuvadermMD kit comes with 50 filters and the MiniMD comes with 30 filters for the Trophy Skin diamond tip, which is an excellent skin exfoliator to add to your skin care routine Easy to Use and Replace: No special tools needed! Remove the microdermabrasion filter from trophy skin diamond tip. This item is compatible with Trophy Skin's MicrodermMD, MiniMD, RejuvadermMD, and UltradermMD home microdermabrasion machines Protect Your Microdermabrasion Machine: Avoid clogging and harming the suction motor of your Trophy Skin microdermabrasion machine; use a clean filter after each use for more home spa treatments Trophy Skin: We provide everyone with knowLEDge and tools to feel beautiful, special, and important. We hacked the professional beauty industry and made those skin care products affordable and easy to use