Bionaire BCM7510-U Cool-Mist Humidifier with Permanent Filter Cool-mist humidifier with humidistat control for setting desired level Reusable washable filter includes antimicrobial protection FilterClean monitor indicates when PERMAtech filter needs cleaning AutoDry function dries out any stagnant water left in base of unit Measures 11-1/2 by 15-1/5 by 12-1/2 inches