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Give it purpose - fill it with water filters, air filters, refrigerator filters, and more.
The Lasko 400L is the compatible replacement for the following humidifier:
The Lasko 400L Humidifier Filter Replacement is the correct filter replacement for your Lasko 400L model humidifier. Also known as a Lasko humidifier pad, this filter features a honeycomb filtration that will trap mineral pollutants in the water, preventing them from being released into your air.