Amazon.com: Hydrofera Blue Bacteriostatic Foam Dressing 4" X 4", Box of 10 : Health & Household Hydrofera Blue Foam Dressing without Border 4 x 4 inch , 10 Count A superabsorbent dressing is designed to work optimally on exuding wounds by absorbing wound fluid and encapsulating it in a gel core. Because of the dressing's effective way of managing wound exudate, RTD WOUND DRESSINGS is a highly effective multi medication wound dressing that performs exceptionally well over a broad spectrum of wounds, especially those that are infected. Compare RTD to Hydrofera Blue and the