3-piece replacement filter pack for HU4706-01/02/03 and HU4136 humidifiers Key benefits Efficient filtration: Each filter captures dust and airborne impurities so your humidifier circulates cleaner, fresher air throughout the room. Direct compatibility: Precisely sized to fit HU4706-01/02/03 and HU4136 models for plug-and-play performance without adjustments. Easy installation: Comes with clear instructions for quick setup so you can restore optimal humidifier function in minutes. Reliable, long-lasting performance: Durable filtration media maintains consistent humidity delivery over an extended period before replacement is needed. Ready when you need it: Three filters in one pack give you immediate replacements on hand, reducing downtime and maintenance trips. How this product solves common problems Reduces dust recirculation and visible build-up inside the unit, lowering cleaning frequency. Maintains steady humidification so rooms stay comfortable and electronics or wood furniture are protected from extreme dryness. Keeps the humidifier operating efficiently, helping avoid clogged pads and reduced output. Practical uses Bedroom: Use a fresh filter to improve overnight air quality and comfort during dry seasons. Home office or workplace: Maintain steady humidity and reduce airborne dust for a more comfortable, productive environment. Nursery or allergy-sensitive rooms: Replace filters regularly to help reduce airborne particulates where children or sensitive individuals sleep and play. Additional notes This is a 3-piece replacement set designed specifically for the listed models. Follow your humidifier manufacturer’s guidance on inspection and replacement intervals, replacing filters when they appear discolored or when output declines.