For users who have graduated from the blue discs. Ideal for those with age spots, acne, skin discolorations, and other imperfections who want smooth, even-toned skin. Personal Microderm Green Replacement Disc 6 pack (2 large, 4 small) and 1 black replacement filter. Moderate Grit aluminum oxide coating on tip. Moderate Grit for more aggressive treatments and the person who has been using the device for several treatments PMD Women's Green Mixed Replacement Disc 6 Pack A great designer gift. Shop PMD at Barneys New York.