Specification BatteriesIncluded : 1 BatteriesRequired : 1 Brand : Durceler BulletPoint1 : Durceler 2 Piece 17mm flange inserts to compatible with Momcozy S9 S10 S12 Pro / bluefair / BIOBOO / S18 S21 S23 Wearable Breast Pump / Medela / Spectra S1 S2 / TSRETE / FEISIKE / Rainyb / Bellababy MiniO / NCVI / kmaier / MomMed / NaNaLazy / NIRGU / Onlyeah / MomWills / Motif Luna / Amada MYA 24mm breast shields. It will reduce the 24mm shield nipple tunnel down to 17mm. Also compatible with Lansinoh / Freemie 25mm cups to reduce it down to 17mm. BulletPoint2 : Seamless Compatibility For Optimal Milk Expression: Suitable for nipple diameter 14-16mm(after a pumping session), or measure the circumference of nipple base about 37.68 - 43.96mm before a pumping session. BulletPoint3 : Great solution for small-nippled mothers using large breast shields, Proper nipple tunnel fit is essential for comfort and efficient milk output. It can be compatible with Spectra and Medela (Freestyle, Harmony, Sonata, and Swing-Maxi pumps) and other brands. BulletPoint4 : REPLACEMENT GUIDANCE – Replace every 4-12 weeks, depending on duration and frequency of each pumping session. Durable, clear, and comfortable. BPA free, made of silicone material. BulletPoint5 : Maintain compatibility with most handsfree bra. You can use most handsfree bra cups with they original 24/25mm detachable shields having this insert inside. During operation, you need to squeeze slightly to make the Insert fully fit with the shield to achieve the perfect effect. BulletPoint6 : Customer Service: If you receive the wrong product, please contact us for a replacement. Luxemum’s customer service team is dedicated to ensuring you have the best shopping experience Capacity : 6.08652 fluid_ounces Color : White ExternallyAssignedProductIdentifier : 6949625798975 ExternallyAssignedProductIdentifier1 : 798008037844 ExternallyAssignedProductIdentifier2 : 0798008037844 Hazmat1 : LITHIUM ION BATTERIES CONTAINED IN EQUIPMENT Hazmat10 : DE_SmallLithiumIonBatteryInEquipment Hazmat11 : EG_SmallLithiumIonBatteryInEquipment Hazmat12 : ES_SmallLithiumIonBatteryInEquipment Hazmat13 : FR_SmallLithiumIonBatteryInEquipment Hazmat14 : GB_SmallLithiumIonBatteryInEquipment Hazmat15 : IE_SmallLithiumIonBatteryInEquipment Hazmat16 : IN_SmallLithiumIonBatteryInEquipment Hazmat17 : IT_SmallLithiumIonBatteryInEquipment Hazmat18 : JP_SmallLithiumIonBatteryInEquipment Hazmat19 : MX_SmallLithiumIonBatteryInEquipment Hazmat2 : UN3481 Hazmat20 : NL_SmallLithiumIonBatteryInEquipment Hazmat21 : PL_SmallLithiumIonBatteryInEquipment Hazmat22 : SA_SmallLithiumIonBatteryInEquipment Hazmat23 : SE_SmallLithiumIonBatteryInEquipment Hazmat24 : SG_SmallLithiumIonBatteryInEquipment Hazmat25 : TR_SmallLithiumIonBatteryInEquipment Hazmat26 : US_SmallLithiumIonBatteryInEquipment Hazmat27 : ZA_SmallLithiumIonBatteryInEquipment Hazmat28 : 9 Hazmat3 : II Hazmat4 : AE_SmallLithiumIonBatteryInEquipment Hazmat5 : AU_SmallLithiumIonBatteryInEquipment Hazmat6 : BE_SmallLithiumIonBatteryInEquipment Hazmat7 : BR_SmallLithiumIonBatteryInEquipment Hazmat8 : CA_SmallLithiumIonBatteryInEquipment Hazmat9 : CN_SmallLithiumIonBatteryInEquipment IncludedComponents : Cover IncludedComponents1 : 2 Pump Motors IncludedComponents2 : 2 Flanges & 4 Flange Inserts IncludedComponents3 : 2 Milk Collector Cups IncludedComponents4 : 2 Dust Caps IncludedComponents5 : 2 Charging Cables IncludedComponents6 : 4 Valves IncludedComponents7 : 2 Diaphragms IncludedComponents8 : 2 Shoulder Straps & 2 Silicone Stoppers IncludedComponents9 : 1 Measurement Card ItemName : Durceler 17mm Flange Insert Compatible with Momcozy S9 S10 S12 Pro, bluefair BIOBOO, S21, Bellababy, NCVI, kmaier, TSRETE, MomMed, NaNaLazy, NIRGU, Onlyeah, MomWills, Medela, Spectra 24mm Breast Pump ItemPackageDimensions_Height : 8.2042 centimeters ItemPackageDimensions_Length : 3.9116 centimeters ItemPackageDimensions_Width : 6.5024 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : electric-breast-feeding-pumps Manufacturer : Durceler Material : Silicone MaterialTypeFree : BPA Free ModelName : S32 ModelNumber : LE NumberOfItems : 2 NumberOfLithiumIonCells : 24 NumberOfLithiumMetalCells : 2 PackageLevel : unit PartNumber : LE PowerSourceType : Battery Powered ProductDescription : This product has a variety of models, which can change the size of the "breast milk channel" on the cover of the breast pump, so as to be suitable for mothers with different nipple sizes, help to improve the breast feeding efficiency and increase the pumping capacity, and make mothers more comfortable in the process of breast feeding. ProductSiteLaunchDate : 2021-11-26T06:23:54.362Z RegulatoryComplianceCertification : K240536 Size : 17mm Style : Freestyle SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 2 UnspscCode : 42230000