The 1120 is the correct replacement for the following models:
The Lasko 1120 Humidifier Filter Replacement 2-Pack is an equivalent, economical replacement of the Lasko 1120 Humidifier Filter 2-Pack. The Lasko 1120 Humidifier Filter Replacement is a wicking style filter that helps to eliminate calcium, lime, and other minerals from building up in your humidifier. This Lasko humidifier wick filter replacement saturates with water and gives your home a better output of humidified air.
Lasko 1120 Humidifier Filter Replacement 2-Pack Specifications:
The Lasko humidifier wick filter replacement is also referred to as the L11-C and works with the Lasko 1110 and 1120 models. The humidifier wick filter replacement also works with White-Westinghouse WWWL-11 and WWWL11 models.