Specification Brand : AG Industries BulletPoint1 : Pack of 50 ultrafine filters -- WITHOUT TAB BulletPoint2 : Approximate size: 1 3/4" x 7/8" BulletPoint3 : Ultrafine, disposable filters BulletPoint4 : Manufactured by AG Industries BulletPoint5 : REPLACEMENT TIME : The heat moisture ex-changer filter should be replaced after 7 days of use to ensure optimum performance. However your filters may last for a longer or shorter amount of time depending on environmental conditions. When not in use, the filter should be stored in a sealed plastic bag in a timely manner to avoid exposure to the air and adsorption of water vapour in the air, which will affect the use of the product Color : White ExternallyAssignedProductIdentifier : 7427315502372 ExternallyAssignedProductIdentifier1 : 0745431789017 ExternallyAssignedProductIdentifier2 : 745431789017 IncludedComponents1 : Cpap Hose Holder Mask Hook 2PCS IncludedComponents2 : 7 Feet Flexible Cpap Tube Brush IncludedComponents3 : 7 Inch Handy Cpap Mask Cleaning Brush ItemFirmnessDescription : Soft ItemName : Disposable Ultrafine Filters for Respironics PR System ONE Machines Without TAB - Set of 50 ItemPackageDimensions_Height : 3.048 centimeters ItemPackageDimensions_Length : 10.414 centimeters ItemPackageDimensions_Width : 12.192 centimeters ItemPackageQuantity : 50 ItemShape : Round ItemTypeKeyword : cpap-accessories Manufacturer : AG Industries Material1 : Stainless Steel Material2 : Plastic ModelNumber : WSP-FTBHG-CLPS NumberOfItems : 1 PartNumber : AG1063096 ProductDescription : Pack of 50 ultrafine, disposable filters for a Respironics PR SYSTEM ONE machine (WITHOUT TAB); approximate dimensions: 1 3/4" x 7/8" Please check current filter size prior to purchase to be sure you are purchasing the correct size filter. ProductSiteLaunchDate : 2013-02-12T14:53:06.326Z Size : M SpecificUsesForProduct1 : cpap mask hose storage SpecificUsesForProduct2 : cpap mask hose cleaning SpecificUsesForProduct3 : cpap hose holder SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Plastic Theme1 : cpap accessories Theme2 : Patients with sleep apnea syndrome Theme3 : cpap supplies Theme4 : cpap users UnitCount : 50 UnspscCode : 53130000