Features: Enhances your humidifier's performances with our demineralization cartridges, specifically designed to efficiently remove minerals and impurities, preventing white dust and extending the life of your ultrasonic humidifiers. These cartridges feature advanced filtration technology for easy installation, ensuring optimal water quality and improved humidification without the need for tool. Suit for families seeking a healthier living environment, office workers aiming for comfort in dry conditions, allergy sufferers needing better air quality, and pet owners. Perfect for use in bedrooms to maintain humidity, in offices to combat dry air from air conditioning, in children's rooms for a moist sleeping environment, and during winter heating to alleviate dryness. These cartridges caters to diverse water types, making them essential for various household needs. Specifications: Material:Plastic Size:Approx.7.7x7.29cm/3.03x2.87inch Weight:200g Applicable Model: Suitable for V4600 V5100 VUL575 Package Includes: 3pcs Humidifier Filter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color about the item.