2X 17 mm Maymom Two-Piece Wide Neck Pump Parts Compatible with Spectra S1,Spectra S2 Pumps and 2 Valves; Incl Wide Mouth Flanges; Not Original Spectra Flange; (17mm Flange with Valve)

Compatible with Hands-free Bra Simple Wishes, Medela, BRAVADO, Pacasso, Pump Strap, Pump&Nurse Detachable Parts Easy to clean thoroughly; space-saving and easy to carry Maymom MyFit - Classic Series Size options: 13, 15, 17, 19, 21, 23, 24, 27, 28, 30, 32, 34, 36 mm Maymom MyFit - Crater Series Size options: 10, 12, 14, 16, 18, 20, 22, 24 mm Maymom MyFit - Comfy Series Size options: 15, 17, 19, 21, 22, 24 mm Maymom MyFit - Pano Series Size options: 15, 17, 19, 21 mm Compatible with Medela, Pumpin' Pal, Lansinoh, Maymom Shied Compatible with Spectra S1, S2 9 Plus, Synergy Gold Easier to Attach and Detach Thicker material near the base for handling Rugged Tip Design For smooth milkflow, better seal and suction No Gap at the Tip Provide maximum suction power