Hydrofera Blue Adhesive Foam Without Border 2 1 2" Hydrofera Blue ComfortCel Interface Antibacterial Foam Dressing 4 x 4 x 0.5" Individual Dressing Those who know, know there's no comparison. Hydrofera Blue provides antibacterial and non cytotoxic protection for faster wound healing and helps pull harmful bacteria laden slough, exudate, and debris away from the wound bed, Hydrofera Blue Classic Non Adhesive Antibacterial Foam Dressing without Border Hydrofera Blue Classic Antibacterial Foam Tunneling Dressing, 9mm Box of 10