【Product Size and Weight】Length 45.3 * Width 25.4 * Height 45.3mm, Weight: 30g 【How to Use】It's easy to use, just put the antibacterial cartridge into the water tank of the humidifier. 【Package Contents】Humidifier cartridge * 3 【Replacement Guide】The specific replacement time depends on the water quality and usage time. We recommend replacing it every 6 months. ❋❋┈┈┈┈┈┈┈┈┈❋❋ ＊Instant purchase welcome ＊Midnight silent purchase OK ◎ ＊Free shipping! ❋❋┈┈┈┈┈┈┈┈┈❋❋ ＊First come, first served for single items ＊Welcome to bulk purchases, feel free to comment ↓↓Check out more! Click here for a list of products↓↓ #tsugumi product list is here ✨ ♡Please understand and purchase due to home storage and simple packaging for shipping. 38-440002YOGIN Humidifier Cartridge Antibacterial Cartridge Replacement Antibacterial Cartridge Antibacterial Clean Cartridge 3 pieces in 1 set White