Features: * Anti-bacterial treated; traps minerals * Fits most Emerson humidifiers * Metal reinforcement * Adds rigidity to shape of the wick filter when moistened * Also adds stability with today"s softer, more absorbent paper * Prevents "slumping" or "sagging" over time or when wet * Helps maintain the humidifier"s designed output What"s In The Box: * Bestair E2R Extended Life Humidifier Filter for HD62R & HDC411 - 2-Pack