DURABLE WITH GOOD DURABILITY These wellmade mineral absorbent pads for humidifiers are made of highquality 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 extend the life of your humidifier. Size Information These mineral absorbent pads measure approximately 5350mm21.96 inches and fits in humidifiers commonly found in homes and offices, so they dont take up too much space. Warm Service These replacement filter pads for humidifiers generally last about 24 weeks, the actual time varies with the hardness of the water, replace the filter in time when necessary to improve product stability and reduce deformation loss during transportation, drilling plates are specially reserved.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. Color White Material composite material Package contents 80Humidifier Filter Pads Only the above package contents, other products are not included. NoteLight and different displays may cause the color of the item in the picture to be slightly different from the real thing.The permissible measurement error is13 cm.