Maymom Pump Parts Compatible with Spectra S2 S1 9 Plus 21mm Flange Valve Hose Backflow Protection Not Original

Maymom Aftermarket PUMP PARTS FOR SPECTRA S2 SPECTRA S1 SPECTRA 9 PLUS BREAST MPS. Made by Maymom Not original Spectra parts. Includes 2 flanges (21mm), 2 valves, 2 backflow protection devices and 2 hoses. The flanges can only be connected to Wide Mouth bottles. Aftermarket parts of Maymom. EXCHANGEABLE WITH SPECTRA PARTS All parts are interchangeable with Spectra Pump Parts. Can be used with Spectra Flange, Spectra Backflow Protection, Spectra Valve and Spectra Hose Only used with wide mouth bottles. Use this kit with Spectra bottles, compatible with Avent bottles and Maymom wide-neck bottles. Does not work with other bottles with a wide neck. CLOSED SYSTEM. No contact between milk and hose. VARIOUS FLANGE SIZES AVAILABLE: 19mm, 21mm, 24mm, 25mm, 27mm, 28mm, 30mm, 32mm. Information on choosing the right size can be found in the size selection guide in the product photo. IN RETAIL PACKAGE. All parts can be sterilised with steam or boiling water. Contains no BPA. Tested for safety by independent laboratories.