This humidifier replacement filter is designed for cigar humidor water tanks and helps maintain steady humidity for proper cigar aging and flavor preservation. Made with a multi-layer 3D honeycomb mesh, it offers durable water retention and helps filter impurities for cleaner humidification. It is designed specifically for Vevor YC-88 cigar humidors and can be placed flat or contoured to fit the tank layout. The pad can also be trimmed for a more customized fit in your humidor.