- Compatible with Protec WF2 Extended Life WF2; Fits Vicks V3500N, V3100, V3900 Series, V3700; Sunbeam 1118 Series; Honeywell HCM-350 Series - Traps Water Impurities and Dissolved Solids Before They Become Airborne - Individually Sealed to preserve freshness and hygiene - For best results, replace the air filter at least once per season or more often depending on air quality and use - Key benefits - Improves indoor air quality by capturing minerals and dissolved solids from humidifier water - Helps reduce white dust and mineral residue on surfaces - Supports longer humidifier performance by minimizing mineral buildup - What makes it stand out - Broad compatibility across popular models and brands - Effective filtration of waterborne impurities before release into the air - Hygienic packaging with individually sealed filters for freshness - Practical use scenarios - Home with hard water: Install in compatible humidifiers to trap minerals, reducing mineral dust on furniture and electronics - Office or shared space: Maintain clean, comfortable humidity with filters that fit multiple devices - Allergy-conscious households: Filter out impurities in humidified air to help minimize irritants and improve overall air quality - Additional notes - Designed to work with specified Protec WF2 Extended Life WF2 and Vicks, Sunbeam, and Honeywell models - Replacing the filter as recommended ensures consistent performance and air quality