A250 Aqua Pro Filter Replacement Compatible with All BONECO & AIR-O-Swiss Ultrasonic Humidifier (Except U7131, U7136, U7137, U7138), 2 Pack

Aqua Pro 2-in-1 Humidifier Filter A250The aqua pro 2-in-1 humidifier filter compatible with all BONECO & AIR-O-SWISS Ultrasonic Humidifiers, such as a250, u200, u250, u700, 7135, 7145, and so on | AttentionNot compatible with U7131, U7136, U7137, U7138 | Purify Water & Keep Mist CleanIt removes water impurities, minerals, scale and odors, thus purifying the water and keeping the mist clean | Advanced Ion-exchange TechnologyWe have newly upgraded the filter by replacing the original resin ball with ceramic balls enriched with silver ions. Silver ions exchange ions with calcium and magnesium ions to soften water and reduce scale | Extend Humidifier LifeIt removes scale and keeps the humidifier running in optimal condition, extending humidifier life | Relieved After-sales ServiceIf you encounter any product problems, please feel free to contact us, we provide 24 hours after-sales service. We will do our best to help you solve the problem