About this item

• Product Content: 27mm Flange (x2 Large Flange), Backflow Protector(x2), Tube(x2), Duckbill Valve (x2), Bottle with a Two-Piece Travel Cap (x2). All Products compatible with Spectra 9+, Spectra S1, Spectra S2 Breastpump. This kit does NOT include Dome Caps and Nipples. Maymom-made products. Not Original Spectra S1 Accessories. Not Original Spectra S2 Accessories. Not Original Spectra Pump Parts. All pump parts made by Maymom LLC. | IMPORTANT! Not a direct alternative to Spectra 28mm Flange: Maymom 27mm flange features a smoother curvature and a longer, roomier flange tunnel to help reduce nipple pain caused by contact with the back of the flange. Due to design differences, some customers report that our 27mm feels larger than Spectra 28mm. If you're seeking a smaller flange than Spectra 28mm, this product may NOT meet your expectations. Maymom also offers 25mm flange, which is smaller than Spectra 28mm and larger than 24mm. The 25mm flange is recommended for moms with a nipple diameter of 23-24mm after pumping. Please measure your nipple size before purchasing. A detailed explanation is provided in the product images. | Maymom pump parts perform as well as OEM parts. Interchangeable and compatible with Spectra pump parts. Ideal Spectra replacement for Spectra Duckbill Valve (Spectra Valve), Spectra Backflow Protector, Spectra flange, Spectra Tubing, Wide-Neck Spectra Bottle. Maymom flange size available: 15mm, 17mm, 19mm, 21mm, 24mm, 25mm, 27mm, 28mm, 30mm, 32mm. | The two-piece cap of Maymom bottle features rewritable surface top for labeling date or baby's name for daycare or daily storage use. Write with regular ball pen or dry erase marker. Erase with soapy water. | Comply with FDA regulations for plastic materials that contact food. Material does NOT contain BPA. Can be cleaned with boiling water, water steam or microwave-steam bags.