The RPS EF2 is the correct replacement filter for the following humidifier models:
The Emerson MA0800 MoistAir EF2 Humidifier Wick Filter is a compatible replacement humidifier wick filter that prevents surface growth of bacteria in your humidifier. This compatible MoistAIR filter also replaces Sears parts numbers: 42-15508, 4215508, and 15508.
The antimicrobial agent on this compatible Emerson humidifier filter prevents mold, fungus, algae, and bacteria from getting into your humidifier model's water. This compatible Kenmore humidifier filter ensures that only clean, fresh, humidified air is released into your home.
Emerson MA0800 MoistAir EF2 Humidifier Wick Filter specifications: