Replacement Natural Moisture humidifier wick filter.

Fits Models
Duracraft Humidifiers: DH-821, DH-822, DH-822C, DH-823, DH-824 (AC-811)

Features:

• High performance, High output.
• Honeycomb filtration traps mineral pollutants found in water and prevents them from entering your home.
• Approximate Dimensions: 7" x 7-1/4" x 2"