【Perfect Compatibility】Eliminate compatibility confusion! This 4-pack of humidifier wick filter is specially designed to fit two leading brands seamlessly. It is 100% compatible with Vornado MD10001, MD10002, EVAP1, EVAP3, Model 30, Model 40, Model 50 and HU1-0021, as well as the Holmes HM250, HM405, HM406 and HM725 Humidifier. One universal solution for multiple models ensures you always get the right part. 【Value Pack】Our value-packed bundle includes four high-performance humidifier replacement wick filters. This multi-pack ensures you always have a fresh filter on hand for immediate replacement, providing months of uninterrupted humidification. It's the cost-effective and convenient way to maintain optimal indoor air quality throughout the dry seasons. 【Superior Moisturizing Performance】Experience whole-house comfort and protection. Our water panels are engineered to efficiently absorb and evaporate water, maximizing the output of your humidifier. This helps alleviate dry air, while also protecting your wooden furniture and flooring from cracking. 【Premium Materials】Breathe confidently and enjoy comfort. Made from high-quality, durable materials, these filters effectively prevent impurities from settling, ensuring clean mist so your family can breathe easier. 【Easy & Quick Replacement】Keep your system running smoothly with hassle-free maintenance. Replacing the wick filter is a simple, tool-free process that takes just minutes. Easily slide out the old, saturated panel and slide in a fresh one to quickly restore your humidifier's peak performance. Regular replacement is the key to maintaining your unit's efficiency and your home's comfort. ASIN B0FX4K7ZLC Item Weight 11.3 ounces Manufacturer YiYF-Store Item model number for Vornado Humidifier Batteries required No Package Dimensions 10.35 x 8.23 x 6.77 inches