Maymom Compatible with Spectra S2 S1 Pump Parts Including Flanges (16mm) Valves, Pipes, Bottles, Backflow Protection, Non Original Accessories

PACKAGE INCLUDES 16mm flange, 2 backflow protectors, 2 hoses, 2 duckbill valves and 2 bottles with two piece travel lid; Compatible with 9 Plus, S1 and S2; NO dome caps or vacuums included Maymom manufactured pump parts; non-original accessories for S1 or S2; all parts are manufactured by Maymom LLC Performance comparable to OEM parts; Interchangeable and compatible with pump parts; Suitable for replacement for Duckbill valves, backflow protectors, flanges, hoses and wide neck bottles; flange sizes from 16 to 32 mm available Two-piece bottle lid with writeable surface for writing on date or name; can be written on with ballpoint pen or whiteboard marker and can be wiped clean with soapy water Meets FDA regulations for food contact plastics; BPA free; can be cleaned with boiling water, steam or microwave steam bags