X5 SINGLE DRESSINGS - EXUFIBER AG+ DRESSINGS IN SIZE 4.5CM X 20CM. Exufiber® Ag+ is a sterile, antimicrobial wound dressing made from highly absorbent gelling fibres containing silver. Exufiber® Ag+ dressings are designed to stay intact during use, allowing for easy, one-piece removal with minimal disruption to the wound bed.