Usage Tips:DURABLE WITH GOOD DURABILITY: These well-made humidifier mineral absorbent pads are made of high-quality composite material for excellent absorbency and durability, you can use them with confidence.Practical features: Humidifier filter pads can help improve humidifier performance, reduce stubborn mineral buildup on the humidifier heating plate, and help prolong the life of the humidifier.Size Information: These mineral absorbent pads measure approximately 53 x 50 mm / 2 x 1.96 inches and will fit into humidifiers commonly found in homes and offices, make they don't take up too much space.Warm service: These humidifier replacement filter pads generally last about 2-4 weeks, the actual time varies with the hardness of the water, please replace the filter in time when necessary to improve product stability and reduce deformation loss during transportation, drill Pads are specially reserved. Please remove when using.Abundant Quantity: We provide humidifier filter pads in one package, enough quantity is enough for your daily use and replacement needs, of course you can share with your friends.Colour: WhiteMaterial: composite materialPackage Contents:80 x Humidifier Filter PadsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.