Specification Brand : Jebao BulletPoint1 : OEM Jebao Parts BulletPoint2 : Length: 18-5/16 inch BulletPoint3 : increase surface area and are back flushed more effectively than standard filter mats BulletPoint4 : Perfect for encouraging beneficial bacteria growth in your Filter Falls BulletPoint5 : Three pieces of Matala in each kit: blue BulletPoint6 : green and black BulletPoint7 : For use in BF1900 Filter Falls Color : Green CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 6972226200561 ExternallyAssignedProductIdentifier1 : 727429001554 ExternallyAssignedProductIdentifier2 : 0727429001554 ExternallyAssignedProductIdentifier3 : 00727429001554 GpsrSafetyAttestation : 1 ItemDisplayWeight : 5 pounds ItemName : Jebao Replacement Quartz Sleeve STU-36 ItemPackageDimensions_Height : 45.72 centimeters ItemPackageDimensions_Length : 10.16 centimeters ItemPackageDimensions_Width : 38.1 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : pond-filtration-equipment Manufacturer : Jebao Material : Quartz ModelName : Black Knight Filter Brushes 16 Inch Long by 6 Inch Diameter Pack of 3 ModelNumber : MA1900 NumberOfItems : 3 PartNumber : MA1900 PowerSourceType : No power ProductDescription : OEM JEBAO Quartz Sleeve for STU-36 ProductSiteLaunchDate : 2019-06-10T07:00:00.000Z Size : 1361 SupplierDeclaredDgHzRegulation : unknown UnitCount : 1 UnspscCode : 56101600