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Flanges

Simply Lactation

Spectra Compatible

Nenesupply 15mm 2 pc Flanges Compatible with Spectra S2 S1 9 Plus Synergy Gold Breastpump Replacement to Spectra Pump Parts Flange Accessories Wide Mouth Work with Valve Backflow Protector Bottle
 
Nenesupply 17mm 2 pc Flanges Compatible with Spectra S2 S1 9 Plus Synergy Gold Breastpump Replacement to Spectra Pump Parts Flange Accessories Wide Mouth Work with Valve Backflow Protector Bottle
 
Nenesupply 19mm 2 pc Flanges Compatible with Spectra S2 S1 9 Plus Synergy Gold Breastpump Replacement to Spectra Pump Parts Flange Accessories Wide Mouth Work with Valve Backflow Protector Bottle
 
Nenesupply 21mm 2 pc Flanges Compatible with Spectra S2 S1 9 Plus Synergy Gold Breastpump Replacement to Spectra Pump Parts Flange Accessories Wide Mouth Work with Valve Backflow Protector Bottle
 
Maymom 2x17 mm Wide Neck Pump Parts Compatible with Spectra S1/S2 Pumps; Incl Wide Mouth Flanges; Not Original Spectra Flange Shield (Two Small Flanges)
 
Momstouch Pump Parts Compatible with Spectra S1/S2/9 Plus, Not Original Accessories, Full Set Replacements Include 19mm Flange, Duckbill Valve, Backflow Protector, Tubing and Bottle
 

Medela Compatible

Nenesupply 15mm Flange Inserts and 24mm Flanges Compatible with Medela Breast Pump Parts Replacement 15mm Flange for Medela Work with Pump in Style Parts Symphony Swing Maxi Harmony Personalfit Flex
 
Nenesupply 17mm Flange Compatible with Medela Breast Pump Parts Replacement 17mm Flange for Medela Accessories Compatible with Pump in Style Parts Symphony Swing Harmony Work with Personalfit Flex
 
Nenesupply 19mm Flange Compatible with Medela Breast Pump Parts Replace 19mm Flange for Medela Accessories Compatible with Pump in Style Parts Symphony Swing Harmony Pump Work with Personalfit Flex
 
Nenesupply 21mm Flange Compatible with Medela Breast Pump Parts Replace 21mm Flange for Medela Accessories Compatible with Pump in Style Parts Symphony Swing Harmony Pump Work with Personalfit Flex
 

Universal / Multi-Compatible

Maymom Flange Inserts 17 mm for Medela, Spectra 24 mm Shields/Flanges, Momcozy/Willow Wearable Cup. Compatible with Medela Freestyle, Harmony to Reduce 24mm Nipple Tunnel Down to 17 mm; 2pc/Each
 
Pumpin' Pal X-Small Silicone Angled Breast Pump Flange Pair, 2026 Design with Suction Sealing Rings, Made in U.S.A.
 
Nursi Luna Flange Inserts 10PCS 13/15/17/19/21mm for 24mm Flanges/Shield of Most Pumps, Flange Sizing Kit Silicone Flanges Insert, Breastfeeding Essentials Kit for New Moms