Description Securely dress your wound with this LYOFOAM A Adhesive Polyurethane Foam Dressing. It is a sterile wound dressing that is fabricated to be used for lightly exudating wounds. This Dressing contains a Lyofoam that is covered with a layer of highly comfortable, self-adhesive, water-resistant, polyurethane foam to provide comfort, security, and protection to your wounds. SC603020 is a replacement for SQB164845.