Specification Brand : GaVik BulletPoint1 : Easy Installation,Remove the old filter in your humidifier, put this brand new humidifiers filters in its place and adjust it well. Normal use 1-3 months need to be replaced with distilled water or cold water to fill the tank, not hot water. BulletPoint2 : and high quality BulletPoint3 : We humidifier filter, made of natural fabric, multi-layer mesh surface to maximize the output of humidifier moisture, but also better filter Limescale, the new upgraded material makes the filter more stable and filtering, can be used for a longer time. BulletPoint4 : Made of high quality material, more durable. BulletPoint5 : As part of normal maintenance, it can be easily removed and replaced Color : Black & White ExternallyAssignedProductIdentifier : 9044131759490 ItemName : GaVik Replacement Water Panel #12 4 Pack for Aprilaire 440 445 Humidifier Pad Filter ItemTypeKeyword : humidifier-replacement-wicks ItemTypeName : Filter Manufacturer : GaVik Material : Wick ModelName : GL ModelNumber : GL18021 NumberOfItems : 1 PartNumber : GaVik369681 ProductDescription : Replacement Water Panel #12 4 Pack for Aprilaire 440 445 Humidifier Pad Filter ProductSiteLaunchDate : 2023-11-01T15:21:45.020Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1