Kerlix AMD Roll, 4_" x 4.1 yds, Sterile in Rigid Plastic Tray, 6-Ply, 1 roll/tray, 60 trays/cs (3331-)AMD Antimicrobial Dressings contain PHMB . Reduce bacterial penetration through the dressing. Resists bacterial colonization within the dressing. Broad spectrum effectiveness provides protection against gram negative, gram positive and fungi yeast microorganisms including MRSA and VRE. Limits cross contamination from patient to the environment. Sterile.