HD6000 Evaporative Mid-Size Humidifier   Humidifies up to 1,300 square feet Single TRAPMAX® filter system Automatic humidistat keeps humidity at the level you select Three speed air flow control Two easy-to-fill 1.7 gallon bottles UL & CUL listed Replacement filter number HDC-1 *Moisture outper per 24 hours of constant, high speed operation ANSI/AHAM HU-1-1997, sec. 8.1