Specification Brand : 3M Health Care BulletPoint1 : Quality and reliability in one convenient package BulletPoint2 : Contains one tunable diaphragm and rim assembly for the stethoscope chest piece BulletPoint3 : Color group: gray BulletPoint4 : Country of origin: United States BulletPoint5 : Region of Manufacture : United State Color : Gray ExternallyAssignedProductIdentifier : 7426868992777 IncludedComponents : Spare Parts Kit ItemName : 3M Health Care MMM 40023 Littman Stethoscope Spare Parts Kit for Master Classic, includes Tunable Diaphragm and Rim Assembly, Grey (Pack of 10) ItemPackageDimensions_Height : 4.5 inches ItemPackageDimensions_Length : 8.75 inches ItemPackageDimensions_Width : 8.25 inches ItemPackageQuantity : 1 ItemTypeKeyword : stethoscope-parts Manufacturer : 3M Health Care NumberOfItems : 10 PartNumber : MMM 40023 ProductDescription : Compatibility : Olympus 190 Series Size : 9.5mm ID x 135mm L Part Number : P140095 Type : Gastroscope Bending Rubber Material : Fluoroelastomer Region of Manufacture : United State Warranty : 4 Months Condition : 100% Brand New Others: Factory Direct- Quality Components Satisfaction Guaranteed Technical Support: Master level technical staff is available to answer questions via message ProductSiteLaunchDate : 2018-03-05T07:21:09.000Z SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1