2 Pack Replacement Sunbeam SF221 Humidifier Filters - Compatibility Replaces Sunbeam SF221 humidifier filter and SWF-75 air filter in compatible units. - Filtration and function Traps water impurities and dissolved solids before they become airborne, helping to reduce mineral particles in the mist. - Benefits Cleaner humidified air, helps prevent mineral buildup inside the humidifier, and supports reliable, steady performance. - What’s included Pack of 2 replacement filters designed for the Sunbeam SF221 model. - Easy installation Simple replacement in compatible Sunbeam units; no special tools required. - Use scenarios 1) Homes with hard water: install to trap minerals and dissolved solids so the mist releases fewer mineral particles. 2) Bedrooms and nurseries: use for daily humidification to help maintain a cleaner, more consistent mist. 3) Small offices or shared spaces: replace regularly to keep the humidifier performing well while minimizing airborne solids.