Gerry Humidifier Wick Replacement Filter 650.

2 filters per box.

Measures approximately 6 1/2" x 7 1/4" x 1".

Gerry humidifier wick replacement filters.

With antimicrobial agent!

Honeycomb filtration to trap mineral pollutants found in water and help prevent them from entering your home.

For optimum performance replace filter at the beginning of each season or every 2 months depending on use.