The Honeywell Home HC26P Antimicrobial Mesh Humidifier Pad Replacement Lot of 10 is a set of white mesh pads designed for use in evaporative humidifiers. These replacement pads feature antimicrobial properties to help prevent the growth of bacteria and mold, ensuring cleaner and healthier air in your home. The model HC26P is specifically designed by Honeywell Home to provide efficient humidification and filtration for a comfortable indoor environment. The case was damaged a little bit in shipping but it didn't hurt the replacement pads. Some of them are a little bit out of square but that's about it.