Best Maymom Pump Accessories in 2026

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.

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.

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

Contains 4 valves, 6 membranes, 2 tubes and 2 one-piece breastshields, 25 mm; Compatible with Medela Pump in Style pump parts. NOT compatible with FreeStyle, Swing Maxi, Sonata, Harmony, Pump in Style with Maxflow. Comparable to Medela breastshield or medela 24 mm breastshield. NOT original medela pump parts.

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

Bottles are not included. You can use any Medela storage bottles or other inexpensive standard sized bottles (e.g. Gerber bottles, Playtex bottle, Ameda bottles) available from your local drug/grocery/dept stores.

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);

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;

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

Enables Breast Pump Flanges (Sonata, Pump in Style, Pump in style with MaxFlow, Lactina, Symphony, Swing, Freestyle Flex) to be compatible with Avent and SpeCtra wide-mouth bottles (Note: This ring WILL NOT be compatible with Avent VIA storage cups;). Compatible with Medela Sonata Pump, and Compatible with Medela Freestyle Flex Pump

3rd Generation Bottle Converter adapted for Sonata pump and Freestyle Flex Pump. Includes 2 conversion rings plus 2 sealing rings (inside the converter) to avoid many leaking events.

You can pump directly into Avent and Spectra Wide-mouth bottles. NOTE: We have just discovered that some newer batches of Avent Natural glass bottles are made with thicker wall. The adapter will not fit as is. Please trim off part of the thread to fit. See the photos for details.

FIT MORE BRANDS of BAGS: 2nd generation design to fit more types of milk storage bags

NO UNSCREWED BAGS: Improved thread so the adapter will not accidently unscrew off the flange; "Extension tube included to be used with more types of bag

Fits most wide neck breastshields (Avent, Spectra S1/S2 Widemouth flanges, Maymom widemouth flange);

Fits all Lactina Pumps; Fits symphony pump with classic pump kit, not with PLUS pump kit. Fits Pump in Style Advaned Pump sold between 2004 - July 2006, other models will require cutting of the tubing connector to fit (If you don't cut the tubing connector, it will crack after few uses!). See photos of PIS tubing selection guide for details.

Made from BPA free material - safe to use for breastpumping

Each batch is tested to ensure safety. Reports are available online

Compatible with Medela older pump (old pump in style, freestyle, swing); for newer pumps (flex, pis with maxflow), look up ASIN B07MY18RVZ; This product will enable the above flanges to be compatible with Avent bottle, spectra bottles etc.

Includes 4 conversion rings plus 4 sealing o-rings to avoid many leaking events.

BPA free, dishwasher safe, retail pack, sealed by manufacturer.

Contains 4 valves, 6 membranes, 2 pump-in-style tubes and 2 ONE-piece breastshields, 27 mm (large breastshield); Compatible with Medela Pump in style advanced pump. NOT compatible with FreeStyle, Swing Maxi, Sonata, Harmony, Pump in Style with Maxflow. This 27 mm shield is not for every mother. Measure your niple diameter first after a pumping session. Choose one that is 1-2 mm larger than your niple diameter.

This is a Maymom made product, not original Medela pump parts. All parts in this kit are interchangeable with Medela pump accessories. Being one piece design, this kit can fit Simple Wishes hand free bra, but not every home-made or medela bra on the market.

This is kit is all you need to pump except bottles and the main motor. Bottles are not included. This kit is compatible with Medela bottles. All parts are BPA free and DEHP free.

Tubing compatible with Medela Swing Breastpump, 1/pack. Please see the photos of this listing for compatibility. Buying the wrong tubing will not fit your pump.

Full retail package from manufacturer; One instruction in English and Spanish.

Made from material without BPA by Maymom; Test report available upon request.