General description MAF1 Wick Humidifier Filter is a high-quality and efficient filter designed for use with Essick Air and Moist Air humidifiers. This filter features a metal reinforcement structure that adds stability to the softer and more absorbent wood pulp paper, preventing collapsing or sagging over time, even when wet. It effectively traps and retains mineral deposits, ensuring clean and humidified air. Technical specifications Material: Wood pulp paper Color: White Package Contents: 2 x MAF1 humidifier filters Measurement allowed error: +/- 1-3 cm