Vetblue Pu Foam Wound Dressing 4In X 5In Box Of 10 Hydrofera Blue Antimicrobial Foam Dressing Carewell Find confident infection prevention with Hydrofera BLUE ostomy dressings. With Hydrofera Blue antibacterial foam dressings, the mode of action happens within the dressing itself, ensuring infection control without releasing active substances into Hydrofera Blue Foam Dressing without Border 4" x 4" Product Demo: Hydrofera Blue CLASSIC Antibacterial Foam Dressing Wound Care Medical Monks Hydrofera Blue Classic Foam Wound Dressing, 9mm, Single Dressing 1 each Walmart.com