Features: Effectively removes from water, prevents limescale buildup, and boosts humidifier efficiency by 30% for cleaner air output. Made from cotton with reinforced composite layers, these humidifier maintenance pads withstand high temperatures and last up to 3 months depending on water hardness and usage frequency. Ideal for allergy sensitive households, office workers, and anyone seeking improved air quality through efficient mineral absorption and aromatic diffusion in ultrasonic humidifiers. Perfect for bedrooms, living rooms, or workspaces for LV600S/LV600HH humidifiers operate daily, especially during dry season or air conditioned environments requiring consistent humidity control. Combines double functionality as descaling solution and aromatic enhancer, outperforming standard pads through mineral absorption capacity Specifications: Component:Cotton Applicable model: Suitable for LV600HH LV600S Size:Approx.4.4x2.1cm/1.73x1.83inch Package Includes: 40Pcs Humidifier Filter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.