Invia Foam Dressing Kit with FitPad suction interfaceConsists of: Charcoal foam, manufactured using a reticulated polyether and polyurethane hydrophobic material. FitPad suction interface with Quick connector. Transparent film (one or more pieces depending on the kit size). All components are packaged together and sterilised using ethylene oxide (EO). Invia Foam Dressing Kit is available in four sizes: Small, Medium, Large and X Large.