Baby Essentials Stock UpBaby Multi-AgeLife with Baby0-3 Month BabyAll Baby ClearanceBaby BrezzaBaby Feeding GuideBaby Health CareBaby Medicine CabinetBaby New Arrivals in FeedingBaby Under $100Baby Under $25Baby Under $50Bottle AccessoriesBottle FeedingBottle NipplesBreast CareBreast Pump AccessoriesBreast Pump Accessory SetsBreast Pump BagsBreast Pump DiaphragmsBreast Pump Replacement TubingBreast Pump Spare PartsBreast Pump Valves and MembranesBreast PumpsBreast ShieldsBreastfeedingBreastfeeding Insurance ProgramBreastfeeding SupportCombo feedingElectric Breast PumpsHand Free Breast PumpsHigh-tech Baby GiftsManual Breast PumpsMedelaMedela AccessoriesMedela Breast Pump AccessoriesMedela Breast PumpsMomcozyNasal AspiratorsNew Mom Self CareNew Mom Wellness EssentialsNipple ShieldsPostpartum essentialsShop By Price in FeedingSpectra Breast Pumps
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Baby Essentials Stock UpBaby Multi-AgeLife with Baby0-3 Month BabyAll Baby ClearanceBaby BrezzaBaby Feeding GuideBaby Health CareBaby Medicine CabinetBaby New Arrivals in FeedingBaby Under $100Baby Under $25Baby Under $50Bottle AccessoriesBottle FeedingBottle NipplesBreast CareBreast Pump AccessoriesBreast Pump Accessory SetsBreast Pump BagsBreast Pump DiaphragmsBreast Pump Replacement TubingBreast Pump Spare PartsBreast Pump Valves and MembranesBreast PumpsBreast ShieldsBreastfeedingBreastfeeding Insurance ProgramBreastfeeding SupportCombo feedingElectric Breast PumpsHand Free Breast PumpsHigh-tech Baby GiftsManual Breast PumpsMedelaMedela AccessoriesMedela Breast Pump AccessoriesMedela Breast PumpsMomcozyNasal AspiratorsNew Mom Self CareNew Mom Wellness EssentialsNipple ShieldsPostpartum essentialsShop By Price in FeedingSpectra Breast Pumps
Pump Membrane(68)
Uses item details. Price when purchased online
Medela Spare Breast Pump Membranes, 6-Pack, Compatible with Pump In Style, Swing, and Harmony $8.06

$806
current price $8.06Medela Spare Breast Pump Membranes, 6-Pack, Compatible with Pump In Style, Swing, and Harmony
414.5 out of 5 Stars. 41 reviews
Medela Breast Pump Membranes, For PersonalFit Flex, Replacement Piece, Yellow, 101044540, Pack of 2 $13.99 $7.00/ea

$1399
current price $13.99$7.00/ea
Medela Breast Pump Membranes, For PersonalFit Flex, Replacement Piece, Yellow, 101044540, Pack of 2
294.5 out of 5 Stars. 29 reviews
Maymom Pump Parts Compatible with Spectra S1 Spectra S2 Spectra 9 Plus Incl Duckbill Valve Silicone Membrane Replace Spectra Duckbill Valve S2 Replacement Parts Not Original Spectra Pump Parts From $11.39
From$1139
Maymom Pump Parts Compatible with Spectra S1 Spectra S2 Spectra 9 Plus Incl Duckbill Valve Silicone Membrane Replace Spectra Duckbill Valve S2 Replacement Parts Not Original Spectra Pump Parts
164.4 out of 5 Stars. 16 reviews
Nenesupply Valve and Membrane for Medela Breastpumps. Replace Medela Valve and Medela Membrane. Replace Medela Pump Parts. Use on Medela Pump In Style Use on Medela Breastpumps. Made by Nenesupply $9.09

$909
current price $9.09Nenesupply Valve and Membrane for Medela Breastpumps. Replace Medela Valve and Medela Membrane. Replace Medela Pump Parts. Use on Medela Pump In Style Use on Medela Breastpumps. Made by Nenesupply
134.9 out of 5 Stars. 13 reviews
Maymom Silicone Membrane Designed for Spectra S1 S2 9 Plus Breastpump Backflow Protector Also for Maymom Backflow Protector Long Medium Short Stem, Not Original Spectra Accessories Pump Part From $7.99
From$799
Maymom Silicone Membrane Designed for Spectra S1 S2 9 Plus Breastpump Backflow Protector Also for Maymom Backflow Protector Long Medium Short Stem, Not Original Spectra Accessories Pump Part
Maymom Pump Parts Backflow Protector Membrane Duckbill Valve Tube Compatible with Spectra (6 Valve) $16.99

$1699
current price $16.99Maymom Pump Parts Backflow Protector Membrane Duckbill Valve Tube Compatible with Spectra (6 Valve)
164.6 out of 5 Stars. 16 reviews
Rumble Tuff Breast Pump Diaphragm Membrane, Silicone, Compatible with Rumble Tuff Hands-Free Go-Cups, 2-Count $9.99

$999
current price $9.99Rumble Tuff Breast Pump Diaphragm Membrane, Silicone, Compatible with Rumble Tuff Hands-Free Go-Cups, 2-Count
Medela Extra Membranes, 2 Packs of 6 Membranes $17.99

$1799
current price $17.99Medela Extra Membranes, 2 Packs of 6 Membranes
Maymom Silicone Membrane Compatible with Spectra S1 S2 9 Plus Breastpump Backflow Protector and for Maymom Backflow Protector, 2 pc $7.99
$799
current price $7.99Maymom Silicone Membrane Compatible with Spectra S1 S2 9 Plus Breastpump Backflow Protector and for Maymom Backflow Protector, 2 pc
Maymom Breastshield 24 mm with Valve Membrane Compatible with Medela Pump in Style, Lactina, Symphony Pumps $12.59

$1259
current price $12.59Maymom Breastshield 24 mm with Valve Membrane Compatible with Medela Pump in Style, Lactina, Symphony Pumps
Maymom Pump Parts Backflow Protector Membrane Duckbill Valve Tube Compatible with Spectra (4 Valve) $15.59

$1559
current price $15.59Maymom Pump Parts Backflow Protector Membrane Duckbill Valve Tube Compatible with Spectra (4 Valve)
23.5 out of 5 Stars. 2 reviews
Silicone Diaphragm for Breast Pumps, Replacement Breastpump Membrane Breastfeeding Supplies Pumping Machine Repair Part $7.69
$769
current price $7.69Silicone Diaphragm for Breast Pumps, Replacement Breastpump Membrane Breastfeeding Supplies Pumping Machine Repair Part
Breastpump Replacement Membrane Silicone Diaphragm/Duckbill Valves for Milk Extractor Spare Repair Part
Breastpump Replacement Membrane Silicone Diaphragm/Duckbill Valves for Milk Extractor Spare Repair Part
Silicone Diaphragm for Breast Pumps, Replacement Breastpump Membrane Breastfeeding Supplies Pumping Machine Repair Part $8.13
$813
current price $8.13Silicone Diaphragm for Breast Pumps, Replacement Breastpump Membrane Breastfeeding Supplies Pumping Machine Repair Part
Maymom Replacement Pump Parts for Medela Harmony Manual Pump; 4 O-Rings, 2 Membranes $6.99

$699
current price $6.99Maymom Replacement Pump Parts for Medela Harmony Manual Pump; 4 O-Rings, 2 Membranes
75 out of 5 Stars. 7 reviews
Maymom 4 Replacement Valves and 6 Membranes for Medela Breastpumps $8.98

$898
current price $8.98Maymom 4 Replacement Valves and 6 Membranes for Medela Breastpumps
54.8 out of 5 Stars. 5 reviews
Maymom Membrane Compatible with Momcozy S9/S12 FEISIKE Wearable Cup 2011 Version TSRETE; Compatible with Momcozy Silicone Diaphragm; Replacement Wearable Pump Parts. 2pc $9.99
$999
current price $9.99Maymom Membrane Compatible with Momcozy S9/S12 FEISIKE Wearable Cup 2011 Version TSRETE; Compatible with Momcozy Silicone Diaphragm; Replacement Wearable Pump Parts. 2pc
15 out of 5 Stars. 1 reviews
Maymom Breastshield 17 mm with Valve Membrane Compatible with Medela Pump in Style, Lactina, Symphony Pumps $16.59

$1659
current price $16.59Maymom Breastshield 17 mm with Valve Membrane Compatible with Medela Pump in Style, Lactina, Symphony Pumps
Maymom Silicone Membrane; Designed for Spectra S1 Spectra S2, 9 Plus Backflow Protector and Maymom Backflow Protectors $8.99
$899
current price $8.99Maymom Silicone Membrane; Designed for Spectra S1 Spectra S2, 9 Plus Backflow Protector and Maymom Backflow Protectors
14 out of 5 Stars. 1 reviews
Maymom MyFit Flange Set, Two-Piece Breast Shield (24mm Medium) Connector Valve Membrane Compatible with Medela Breast Pumps (Pump in Style Advanced, Lactina, Symphony) Not Original Medela Pump Parts $16.19

$1619
current price $16.19Maymom MyFit Flange Set, Two-Piece Breast Shield (24mm Medium) Connector Valve Membrane Compatible with Medela Breast Pumps (Pump in Style Advanced, Lactina, Symphony) Not Original Medela Pump Parts
SpeCtra CaraCups Backflow Prevention Caps and Membranes 1 ct $18.49

$1849
current price $18.49SpeCtra CaraCups Backflow Prevention Caps and Membranes 1 ct
Travel Friendly Silicone Breast Pumps Diaphragm Breast Pumps Spare Membrane Ensures Smooth Operate for Mother Use
Travel Friendly Silicone Breast Pumps Diaphragm Breast Pumps Spare Membrane Ensures Smooth Operate for Mother Use
XIRQI 2026 New Breast Pump Parts,Replace Duckbill Valves Tubes Backflow Protector Membrane for Breastpumps for Nursing,Breastfeeding,Milk Expression,Lactation,Mom Care $13.56

$1356
current price $13.56XIRQI 2026 New Breast Pump Parts,Replace Duckbill Valves Tubes Backflow Protector Membrane for Breastpumps for Nursing,Breastfeeding,Milk Expression,Lactation,Mom Care
Maymom 4X Tubing 4X Membranes for Medela Pump in Style Advanced Breastpump Released After Jul 2006 Plus 4 Membranes in Retail Pack. Replaces Medela Tubing #8007212, 8007156 & 87212 and Pump Parts. $9.99

$999
current price $9.99Maymom 4X Tubing 4X Membranes for Medela Pump in Style Advanced Breastpump Released After Jul 2006 Plus 4 Membranes in Retail Pack. Replaces Medela Tubing #8007212, 8007156 & 87212 and Pump Parts.
26 mm 2xOne-Piece Breastshield w/Valve and Membrane for Medela Breast Pumps; Made by Maymom $13.59

$1359
current price $13.5926 mm 2xOne-Piece Breastshield w/Valve and Membrane for Medela Breast Pumps; Made by Maymom
Reduced price Pump Accessory,2 Pcs Soft Silicone Pcs Pump Membrane X Pump Soft Silicone Pump Silicone Pcs Membrane 2pc X 5oz Free 2pc X Pump Hands Free Soft Huiop Pump Silicone Membrane Set Was $12.55
Pump Accessory,2 Pcs Soft Silicone Pcs Pump Membrane X Pump Soft Silicone Pump Silicone Pcs Membrane 2pc X 5oz Free 2pc X Pump Hands Free Soft Huiop Pump Silicone Membrane Set
Maymom MyFit Flange Set, Two-Piece Breast Shield (21mm Small) Connector Valve Membrane Compatible with Medela Breast Pumps (Pump in Style Advanced, Lactina, Symphony) Not Original Medela Pump Parts $16.19

$1619
current price $16.19Maymom MyFit Flange Set, Two-Piece Breast Shield (21mm Small) Connector Valve Membrane Compatible with Medela Breast Pumps (Pump in Style Advanced, Lactina, Symphony) Not Original Medela Pump Parts
Breast Pump Replaceable Diaphragm Breast Feeding Pump Suction Membrane Accessories Easy Assemble & Food Grade

Breast Pump Replaceable Diaphragm Breast Feeding Pump Suction Membrane Accessories Easy Assemble & Food Grade
Wearable Electric Pump Spare Parts Membrane/Duckbill Valves for S21 S18 From $12.43

3 options
Available in additional 3 optionsFrom$1243
Wearable Electric Pump Spare Parts Membrane/Duckbill Valves for S21 S18
Replacement Silicone Membrane/Duckbill Valves Efficient Pumping Simple Installation for Breast Suction Devices From $7.89
From$789
Replacement Silicone Membrane/Duckbill Valves Efficient Pumping Simple Installation for Breast Suction Devices
Maymom Breastshield 19 mm with Valve Membrane Compatible with Medela Pump in Style, Lactina, Symphony Pumps From $13.30
From$1330
Maymom Breastshield 19 mm with Valve Membrane Compatible with Medela Pump in Style, Lactina, Symphony Pumps
15 out of 5 Stars. 1 reviews
Maymom Pump Parts Compatible with Spectra S1 Spectra S2 Spectra Incl Duckbill Valve Replace Spectra Duckbill Valve Spectra S2 Replacement Parts Not Original Spectra Pump Parts (8 Duckbill 2 Membrane) $11.69

$1169
current price $11.69Maymom Pump Parts Compatible with Spectra S1 Spectra S2 Spectra Incl Duckbill Valve Replace Spectra Duckbill Valve Spectra S2 Replacement Parts Not Original Spectra Pump Parts (8 Duckbill 2 Membrane)
23 out of 5 Stars. 2 reviews
Maymom Breastshield 27 mm with Valve Membrane Compatible with Medela Pump in Style, Lactina, Symphony Pumps $13.59

$1359
current price $13.59Maymom Breastshield 27 mm with Valve Membrane Compatible with Medela Pump in Style, Lactina, Symphony Pumps
Soft Silicone Membrane Duckbill Valves Replacement Breastpump Accessory Part for S18/S21 Wearable Electric Breast From $10.27
From$1027
Soft Silicone Membrane Duckbill Valves Replacement Breastpump Accessory Part for S18/S21 Wearable Electric Breast
Maymom MyFit Flange Set, Two-Piece Breast Shield (27mm Large) Connector Valve Membrane Compatible with Medela Breast Pumps (Pump in Style Advanced, Lactina, Symphony) Not Original Medela Pump Parts $16.19

$1619
current price $16.19Maymom MyFit Flange Set, Two-Piece Breast Shield (27mm Large) Connector Valve Membrane Compatible with Medela Breast Pumps (Pump in Style Advanced, Lactina, Symphony) Not Original Medela Pump Parts
Maymom Pump Parts Compatible with Spectra S1 Spectra S2 Spectra Incl Duckbill Valve Replace Spectra Duckbill Valve Spectra S2 Replacement Parts Not Original Spectra Pump Parts (8 Duckbill 4 Membrane) $14.29

$1429
current price $14.29Maymom Pump Parts Compatible with Spectra S1 Spectra S2 Spectra Incl Duckbill Valve Replace Spectra Duckbill Valve Spectra S2 Replacement Parts Not Original Spectra Pump Parts (8 Duckbill 4 Membrane)
Maymom Pump Parts Compatible with Spectra S1 Spectra S2 Spectra Incl Duckbill Valve Replace Spectra Duckbill Valve Spectra S2 Replacement Parts Not Original Spectra Pump Parts (6 Duckbill 4 Membrane) $12.39

$1239
current price $12.39Maymom Pump Parts Compatible with Spectra S1 Spectra S2 Spectra Incl Duckbill Valve Replace Spectra Duckbill Valve Spectra S2 Replacement Parts Not Original Spectra Pump Parts (6 Duckbill 4 Membrane)
14 out of 5 Stars. 1 reviews
Silicone Diaphragm Membrane Duckbill Valves 24mm/27mm Flange Horn Wearable Electric Breast Pump Accessories for S18/S21 From $11.61
From$1161
Silicone Diaphragm Membrane Duckbill Valves 24mm/27mm Flange Horn Wearable Electric Breast Pump Accessories for S18/S21
36 mm Extra Extra Large Flagne w/Valve and Membrane for SpeCtra Breast Pumps S1, S2, M1, Spectra 9; Narrow (Standard) Bottle Neck; Made by Maymom $16.19

$1619
current price $16.1936 mm Extra Extra Large Flagne w/Valve and Membrane for SpeCtra Breast Pumps S1, S2, M1, Spectra 9; Narrow (Standard) Bottle Neck; Made by Maymom
Replacement Diaphragm/Duckbill Valves Repair Part for S1/S1P/E10/E20 Wearable Breast Pumps Silicone Valves Membrane $12.13
$1213
current price $12.13Replacement Diaphragm/Duckbill Valves Repair Part for S1/S1P/E10/E20 Wearable Breast Pumps Silicone Valves Membrane
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Maymom Flange Kit 17 mm Compatible with Medela Pump in Style Pump Lactina Symphony
Maymom Flange Kit 17 mm Compatible with Medela Pump in Style Pump Lactina Symphony$19.00current price $19.00Maymom Brand 2X Two-Piece Large Breastshield (30 mm) with valve, membranes and Maymom Connector,Compatible with Medela Breast Pumps Top Hole Version
Maymom Brand 2X Two-Piece Large Breastshield (30 mm) with valve, membranes and Maymom Connector,Compatible with Medela Breast Pumps Top Hole Version$16.19current price $16.19Maymom Flange Kit 24 mm Compatible with Medela Pump in Style Pump Lactina Symphony
Maymom Flange Kit 24 mm Compatible with Medela Pump in Style Pump Lactina Symphony$16.29current price $16.29Maymom Pump Parts Compatible with Spectra Ameda Luna Pumps, Spectra Synergy Gold; Inc 20 mm Wide Mouth Flange Pink Duckbill Valve; Not Original Spectra Replacement Pump Parts
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Maymom Tubing Valve Base Connector Compatible with Medela Pump in Style w Maxflow Breast Pump Not Original Medela Pump Parts Medela Valve Medela Tubing Replace Medela PersonalFit Flex Connector
Maymom Tubing Valve Base Connector Compatible with Medela Pump in Style w Maxflow Breast Pump Not Original Medela Pump Parts Medela Valve Medela Tubing Replace Medela PersonalFit Flex Connector$23.79current price $23.79Maymom Pump Valve for Lansinoh Breast Pumps Signature Pro/Smartpump/Manual Breast Pumps. Replace Lansinoh Pump Valves.
Maymom Pump Valve for Lansinoh Breast Pumps Signature Pro/Smartpump/Manual Breast Pumps. Replace Lansinoh Pump Valves.$8.99current price $8.99Maymom Pump Parts Compatible with Spectra S1 S2 9 Plus Breastpump. Not Original Spectra Replacement Pump Parts. Inc 27 mm Flange Backflow Protector Tubing
Maymom Pump Parts Compatible with Spectra S1 S2 9 Plus Breastpump. Not Original Spectra Replacement Pump Parts. Inc 27 mm Flange Backflow Protector Tubing$21.49current price $21.49Flange Inserts 19mm for Medela,Spectra 24mm Shields/Flanges,Compatible with Momcozy S12 Pro/S9 Pro/S9/S12 Wearable Breast Pump,Reduce 24mm Nipple Tunnel Down to 19mm,4PCS
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