Hydrofera Blue Classic Antibacterial Foam Dressing 4"x4", Methlene Blue & Gentian Violet, PVA, Non Toxic, Box of 10, Sterile Tri State Surgical The most trusted line of foam dressings gives rise to a new blue. Blue Cheese Yogurt Dressing Greek Yogurt Blue Cheese Dressing DermaBlue+Foam, Comparable to Hydrofera Blue) Antimicrobial Foam Wound Dressing With Methylene Blue, Gentian Violet, and Silver, 4x4, 10 box Hydrofera Blue Ready Antibacterial Foam Dressing Vitality Medical