Best Maymom in 2026

What you get: 4 pcs of membranes; after market silicone membrane for Maymom backflow protector (both short and long stem) and compatible with Spectra S1/S2 backflow protectors. Also compatible with Ameda Mya/Mya Pro pump, NOT Mya Joy pump.

Change the silicone diaphragms regularly to optimize the performance of your breastpump

Stronger material for improved performance

WIDE-NECK COLLECTION BOTTLES COMPATIBLE WITH AVENT, SPECTRA S2, SPECTRA S1, SPECTRA 9PLUS PUMPS. Incl. 4 breastmilk collection or storage bottles. 9oz/280ml. For Avent Manual, Avent Electric breastpumps and Bellababy pumps

100% LEAK PROOF & 5-mL FINE MEASUREMENT MARKS . Incl. silicone SureSeal (TM) sealing disc so no leak at all; The bottle has 5-mL incremental measurement marks. You know exactly how much milk you have produced.

BALL-PEN WRITEABLE TOP - the SureSeal silicone top can be marked with a ball-pen, and removed with soapy water. You can date the bottle to know the age of the contained milk, or name the bottle so no mix-up in the daycare refrigerator;

2nd Generation bottle size changer; designed to avoid interfering with the duckbill, and easier screw on to both the widemouth flanges and the standard-sized bottles

Allow Avent and Spectra S1 and Spectra S2 flanges to use with standard sized bottles like medela bottles, ameda bottles and original Dr. Brown Bottles (note will not fit wide mouth Dr. brown bottle) to replace the wide mouth spectra bottles.

We recommend that you use a bottle-stand (such as ASIN B00PRPLRYQ) as well to reduce the tipping-over of the bottle.

WIDE-NECK COLLECTION BOTTLES COMPATIBLE WITH AVENT, SPECTRA S2, SPECTRA S1, SPECTRA 9PLUS PUMPS. Incl. 4 9oz, 280mL breastmilk collection or storage bottles. For Avent Manual, Avent Electric breastpumps

100% LEAK PROOF & 5-mL FINE MEASUREMENT MARKS . Incl. sealing ring so no leak at all; The bottle has 5-mL incremental measurement marks. You know exactly how much milk you have produced.

PENCIL WRITEABLE TOP - the flat solid top can be marked with a soft pencil, and removed with an eraser. You can date the bottle to know the age of the contained milk, or name the bottle so no mix-up in the daycare refrigerator;

Maymom flange, not spectra flange or spectra USA product. It will not fit every mother. See below for details. Contains 2x 18mm widemouth flange and Valve for spectra s1 plus pump, s2 plus pump, 9 plus pump and Motiff Luna, Ameda Mya pumps. Suitable for mother with a niple diameter less than 16-17mm (measured AFTER a pumping session).

Compatible with spectra wide mouth bottles, AVEN bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles.

Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra.

WIDE-NECK COLLECTION BOTTLES COMPATIBLE WITH AVENT, SPECTRA S2, SPECTRA S1, SPECTRA 9PLUS PUMPS. Incl. 6 breastmilk collection or storage bottles. For Avent Manual, Avent Electric breastpumps

100% LEAK PROOF & 5-mL FINE MEASUREMENT MARKS . Incl. sealing ring so no leak at all; The bottle has 5-mL incremental measurement marks. You know exactly how much milk you have produced.

PENCIL WRITEABLE TOP - the flat solid top can be marked with a soft pencil, and removed with an eraser. You can date the bottle to know the age of the contained milk, or name the bottle so no mix-up in the daycare refrigerator;

The ORIGINAL maymom flange adapter to allow spectra s1, s2, spectra s1 pump, spectra s2 plus, 9 and 9+ to use compatible Medela beastshields.

Make spectra pump compatible with Medela bottles and other accessories.

Maymom is the inventor of this little device. Don't be fooled by other copycats.

Maymom aftermarket PUMP PARTS COMPATIBLE WITH SPECTRA S2 SPECTRA S1 SPECTRA 9 PLUS BREASTPUMPS. Made by Maymom. Not Original Spectra Parts. Incl 2 Flanges (24mm), 2 Valves, 2 Backflow Protectors and 2 Tubings. The flanges can only connect to WIDE MOUTH bottles.

AFTERMARKET PARTS MADE BY Maymom. INTERCHANGEABLE WITH SPECTRA PARTS. All parts are interchangeable with Spectra Pump Parts. Can be used with Spectra flange, Spectra backflow protector, Spectra valve, and Spectra tubing.

USED WITH WIDE-MOUTH BOTTLES ONLY. Use this kit with Spectra bottles, Avent bottles, and Maymom wide mouth bottles. DOES NOT work with OTHER WIDE NECK BOTTLES. CLOSED SYSTEM. No contact between milk and tubing.

Kit Contents: 2 Flanges ( 24mm), 2 Duckbill Valves, 2 Backflow Protectors, 2 Tubes, 2 Bottles (with One-Piece Travel Cap). Compatible with Spectra S2, Spectra S1, Spectra 9 Plus Breastpump. Nipples and Dome Caps are NOT included in this kit

All pump parts made by Maymom. Not Original Spectra S2 Accessories. Not Original Spectra S1 Accessories. Not Original Spectra Pump Parts

Compatible and interchangeable with Spectra pump parts. Same suction power as OEM parts. Replace Spectra Flanges, Spectra Duckbill Valves, Spectra Backflow Protectors, Spectra Tubings, Spectra Bottles (Wide Mouth). Multiple flange sizes available: 15mm, 17mm, 19mm, 21mm, 24mm, 25mm, 27mm, 28mm, 30mm, 32mm

Flange adapter to connect between a spectra backflow protector and Maymom breastshields. Also connects between the major leading brand's most breastshield connectors and spectra backflow protectors.

The ORIGINAL maymom flange adapter. Compatible with Medela most breastshields (pump in style, symphony, swing single, harmony, lactina) and spectra backflow protector. Enable spectra users to use compatible Medela accessories.

BPA free; DEHP free. Retail poly-bag packed; Sealed by the manufacturer

MAYMOM AFTERMARKET PUMP PARTS COMPATIBLE WITH SPECTRA S2 SPECTRA S1 SPECTRA 9 PLUS BREASTPUMPS. Made by Maymom. Not Original Spectra Parts. Incl 2 Flanges (28mm), 2 Valves, 2 Backflow Protectors and 2 Tubings. The flanges can only connect to WIDE MOUTH bottles.

AFTERMARKET PARTS MADE BY MAYMOM. INTERCHANGEABLE WITH SPECTRA PARTS. All parts are interchangeable with Spectra Pump Parts. Can be used with Spectra flange, Spectra backflow protector, Spectra valve, and Spectra tubing.

USED WITH WIDE-MOUTH BOTTLES ONLY. Use this kit with Spectra bottles, Avent bottles, and Maymom wide mouth bottles. DOES NOT work with OTHER WIDE NECK BOTTLES. CLOSED SYSTEM. No contact between milk and tubing.

CONTENTS: 4 pump valves, made by Maymom, compatible with Lansinoh breast pumps including Lansinoh Signature Pro/ Lansinoh Smartpump/Lansinoh Manual Breast Pumps.

IDEAL REPLACEMENT. Same Suction as Lansinoh Pump Parts. Easier Removal and Attachment. Save your pumping time.

DURABLE QUALITY. Made of sturdy material for longer use.

2x 32mm widemouth flanges compatible with Spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter 30-31mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement.

BPA free; Complies with US FDA regulation for plastics that contact foods

Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles.

Maymom made parts compatible with Ameda Purely Yours, Finess, Mya Joy, but not Mya or Mya Pro.

Contents: 4 duckbills, two suction membranes

BPA free, DEHP free

Maymom 2x 21mm widemouth flanges compatible with spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement.

BPA free; Complies with US FDA regulation for plastics that contact foods

Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles.

2 Membranes, 2 Valves and 2 Tubes for Medela Pump In Style Advanced breastpump, released AFTER July 2006. It will not fit Pump In Style Advanced sold between 2004 and Jun 2006. Please see product photos and verify your face plate before making the purchase.

Two (2) 42 inch long pastic tubes with pale yellow adaptor on one end, and soft end on the other. Clear and transparent tubing. A replacement for Medela tubing.

Valves and membranes provide the same suction as Medela's. They are 100% compatible with Medela breastshields, and interchangeable with Medela valves and membranes. Maymom valves have a better slope to allow pumped milk to flow easier into the bottles.

Replacement O-ring compatible with Medela Harmony pump plus two membranes

BPA free

4 o-rings and 2 membranes

A retail package of 16 pc membranes made by Maymom, compatible with Medela's Pump-in-Style breastpump (NOT Pump in Style with Maxflow), Lactina, Classic Symphony (Not Symphony Plus), Swing(Not Swing Maxi), Harmony. Other pumps may not work with this product. Please check the listing photos before purchase.

This compatible membrane is made to replace Medela's part# 87088 specifications. 100% compatible or your money back. Maymom has more than 6 years of experience in making high quality breastpump parts.

Every batch is tested to meet FDA's standards for material as food container and food packaging material (21 CFR 177.2600)

Contains 6 sealing caps or travel caps; compatible with Avent Natural Polypropylene bottles, Avent Natural Glass bottle, Avent Classic bottles and Maymom wide-neck bottles. Each cap contains 1 silicone sealing ring to prevent leaking. NOTE: if you use it with spectra bottles, DO NOT over tighten it. In this case, it will leak.

One solid piece design. Replace Avent Natrual Screw Ring, and sealing disc. It also can replace Avent Classic Screw Ring (or nipple collar). Fewer parts to clean and easy to store.

The sealing ring can be easily removed for cleaning. The thread of the cap can hold the sealing ring in place. It is unlikely for the ring to drop out of the cap unless removed by fingers.

CONENTS: 2x Backflow Protectors (including 2 large caps, 2 small caps, and 2 silicone diaphragms.) and 2x tubes. Maymom made parts compatible with spectra backflow protectors, both new and old versions. Ideal replacement tubes for spectra tubing, spectra tubing replacement, or spectra membrane. Not original spectra pump parts. NOT original spectra S2 pump parts.

COMPATIBLE with Spectra S1 Spectra S2 Spectra 9 Plus breast pump. The tubing is also suitable for Ameda Mya Portable and Ameda Mya Pro pumps.

LONGER THAN OEM TUBE: easy to plug onto the pump and no more falling tubes and tearing ends; 42" in length, 9" longer than OEM tubing. Easy to use around your pump. Fit the pump tightly. Made from sturdy materials that can sustain multiple pulls. Optimal Pumping Perfomance !!

The patented adapters (2 pc in this listing) allow you to pump directly into most popular breastmilk storage bags like Lansinoh and Nuk. Patented in both Taiwan and China, and patent pending in several countries.

No milk loss due to transferring from collection bottles to bags; Clear in color for seeing the milk coming out during pumping.

Fits most wide neck breastshields (Avent, Spectra S1/S2 wide mouth flanges);

Replacement valves compatible with Freemie Closed System Collection Cups; NOT for Retired Freemie Open system Cups. In this case, the duckbill will not fit the valve base.

Compatible with Freemie Standard Cup, SlimFit6 Cup, SlimFit5 Cup. Made by Maymom.

Worn or torn valves may contribute to decreased suction and/or milk backing up in tubing

Can be used in many pumps compatibel with Ameda Purely Yours, Freemie cups, Lansinoh Double Electric Pumps etc; Re-enfored material so valves will last longer. Satisfaction guaranteed or your money back

BPA FREE, DEHP FREE,Clear material so you can see the inside of valve easier

It is OK to see a small gap (less than 0.5mm) between the lips of the duckbill when not in use. It is not a defect. It can close properly during a pump action.

CONTENTS: 8x 150mL standard-sized bottles compatible with Medela Pump in Style MaxFlow, Freestyle, Swing Maxi Pump, Maymom Breastshields; Compatible with Ameda Mya Joy, Finesse and Purely Yours Pumps; Compatible with Medela Bottles and freestyle flex, pis with maxflow connectorr as pumping bottles.

Heavy duty PP, food-contact grade, BPA free; Re-useable so you can save money.

Dishwasher toprack safe; Steam safe for cleaning;

45 mL collection bottles 12 counts compatible with Maymom breastshields; Compatible with Medela Bottles and freestyle flex, pis with maxflow connectorr as pumping bottles.

Sloped bottom designed to allow for accurate and easy to read 0-5 mL volume. Great for measuring small amount gold liquid like colostrums. At the same time, it minimizes the loss of breast milk

Larger, easy-to-read milliliter and ounce measurements

BPA Free. Test reports are available online. Made by Maymom, compatible with medela vavle and membrane.

Membrane are more flexible than the OEM membranes to respond faster to the pressure change during pumping.

Valves are better angled for less trapped precious breast milk in them.

Please print out a niple ruler from the photo and measure your niple diameters before making the purchase. One size will not fit all. Incl. 2x One-Piece Breastshield (29 mm, suitable for mothers with niple diameters 27-28 mm AFTER pumping) , 2 Valves, 4 Membranes; Compatible with all Medela pumps (Pump in style, Lactina, Symphony, Swing, Mini Electric) EXCEPT FreeStyle, Swing Maxi, Sonata, Pump in Style with Maxflow and Harmony.

US FDA registered medical device (No. D192499); Products are inspected by US FDA. Complies with US FDA and EUstandards for containers that contact food and class II medical device; Test reports are online for your reference;

Retail poly-bag packed; sealed by the manufacturer - Maymom, not original Medela parts

Compatible with Avent Natural Bottle parts - collar ring x4; Note it is NOT designed to fit Avent's classic dome cap or nipple. Cannot replace Avent Classic Collar Ring

Made of BPA, DEHP free material; Test reports are available online for your reference

Use these parts and buy Avent's Natural Nipples to convert your old Avent Classic bottles, pp or glass, into functioning like the new Avent Natural Bottles

2x One-Piece Breastshield (24 mm, suitable for mothers with niple diameters of 22-23 mm AFTER a pumping session), 2 Valves, 4 Membranes; Compatible with all Medela pumps EXCEPT FreeStyle, Maxi, Sonata, Harmony, Pump in style with maxflow.

US FDA registered medical device (No. D192499); Products are inspected by US FDA. Complies with US FDA and EUstandards for containers that contact food and class II medical device; Test reports are online for your reference;

Retail poly-bag packed; sealed by the manufacturer - Maymom, not original Medela parts

AFTERMARKET PUMP PARTS COMPATIBLE WITH SPECTRA S2 SPECTRA S1 SPECTRA 9 PLUS BREASTPUMPS. Made by Maymom. Not Original Spectra Parts. Inc 2 Medium 24mm Flanges, 2 Backflow Protectors, and 2 Tubing. Valve or duckbill is NOT included in this listing but you can use many valves on the market e.g. spectra valve duckbill or medela valve/membrane. The flanges connect with WIDE MOUTH bottles like Avent bottles, Maymom wide mouth bottle, and spectra wide mouth bottles.

AFTERMARKET PARTS MADE BY Maymom. Not Original Spectra S2 accessories. INTERCHANGEABLE WITH SPECTRA PARTS. All parts are interchangeable with Spectra Pump Parts. Can be used with Spectra flange, Spectra backflow protector, Spectra valve, Spectra bottles and Spectra tubing.

USED WITH WIDE-MOUTH BOTTLES. Use this kit with Spectra bottles, Avent bottles, and Maymom wide mouth bottles. DOES NOT work with OTHER WIDE NECK BOTTLES (example: Lansinoh bottles, Dr. Brown Wide). CLOSED SYSTEM. No milk will enter the tubing or motor.