Specification Brand : Inline BulletPoint : Inline Fan Guard BulletPoint1 : Dustproof BulletPoint2 : Dust Filter BulletPoint3 : 9cm BulletPoint4 : for 90mm x 90mm DC Fan BulletPoint5 : Please allow slight errors due to manual measurement. Make sure its size matches the fan port. Clean the dust filter regularly to ensure smooth operation and maintain a cooling effect. BulletPoint6 : 【Durable】: Made with precision technology, high quality and long service life. BulletPoint7 : 【Product Included】: 4 x 120mm Finger Grills, 16 x Screws, 16 x Rubber PC Fan Screw. Color : Black CompatibleDevices : Desktop CoolingMethod : Lüfter ExternallyAssignedProductIdentifier1 : 0508927562989 ExternallyAssignedProductIdentifier2 : 508927562989 GpsrSafetyAttestation : 1 InternationalProtectionRating : IP54 ItemDisplayDimensions_Length : 13 inches ItemName : 4 pcs Black Dustproof Dust Filter Used for 90x90mm DC Fan 90mm 9cm Skywalking ItemPackageDimensions_Height : 20.3 centimeters ItemPackageDimensions_Length : 2.3 centimeters ItemPackageDimensions_Width : 16 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : desktop-computer-fan-grills Manufacturer : Skywalking Material : Aluminum Material1 : Copper Material2 : Plastic ModelName : Fan guard ModelNumber : Dust-90 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : 33372A PhotoFilterSize : 92 millimeters PhotoFilterThreadSize : 92 millimeters PowerConnectorType : 6-polig ProductDescription : Spec: Suitable for 90mm(L) x 90mm(W) DC PC case fan Removable front plate, back plate and middle filter, easy to wash and remove Mounting: 4 pcs Screw mount (SCREWS NOT INCLUDED) ProductSiteLaunchDate : 2013-02-25T02:58:53.169Z Size : Small StreetDate : 2017-10-03T00:00:01Z Style : Fan Guard/Grill SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 43200000 WarrantyDescription : 1 Year WaterResistanceLevel : not_water_resistant