CONTENTS: 2 flanges and 2 duckbill valves Compatible with most Spectra and Motif breast pumps. Made by Maymom. Not Original Spectra or Motif parts.

1. COMPATIBLE AND INTERCHANGEABLE with Spectra pump parts. Maymom pump parts perform the same suction power as OEM parts, Spectra S2 pump parts, Spectra S1Plus accessories.

2. MAYMOM FLANGE can work with Spectra wide-neck bottle (wide-mouth bottle), Compatible with Avent bottle, and Maymom widemouth bottle.

3. Available Flange sizes: 15mm, 16mm, 17mm, 18mm, 19mm, 21mm (more sizes available directly from Maymom).

4. BPA/DEHP FREE. FDA compliant for food contacts. Tested by independent labs for safety. Test report online available for reference. Products in retail pack sealed by manufacturer.

5. Wash in dishwasher top rack, water steam cleaning, boiling water or microwave-steam bags.