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Whether you are interested in purchasing a new Harmony Breast Pump, or already own the Harmony and just need to replace a replacment part for your breast pump, or just want additional supplies, we can provide that for you. All the following parts are available for purchase:
The Medela Harmony Breast Pump complete set includes:

| Item | Price per unit | Order Quantity | |
|---|---|---|---|
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A - Handle for Harmony Breast Pump This part does not need to be removed and cleaned unless it becomes soiled. A1 - indicates let-down symbol on top of handle |
$7.50 each | |
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B1 - OLD STYLE Stem for Harmony Breast Pump. Does not include O-ring. This part does not need to be removed and cleaned unless it becomes soiled. This stem has a notched point. Use the old style stem with the old style pump body. |
$5.75 each | |
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B1 - NEW STYLE Stem for Harmony Breast Pump with O-ring. This part does not need to be removed and cleaned unless it becomes soiled. This stem has a rounded point. Use the new style stem with the new style pump body. |
$6.25 each | ![]() |
B1 - O-ring for Harmony Breast Pump. Fits on stem, sold separately. This part does not need to be removed from stem, does not need to be cleaned unless it becomes soiled. |
$0.90 each | ![]() |
B - Diaphragm for Harmony Breast Pump. |
$7.50 each | ![]() | C - SoftFit Breastshield.
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$5.00 each |
$9.95 per pair |
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D - OLD STYLE Pump Body for Harmony Breast Pump. This part has been discontinued by Medela. We have very few left in stock. The new style pump body looks identical. You have to look at your pump stem (see picture above) to tell if your pump body is a new or old style. Use the old style pump body with the old style stem. |
$10.99 each | |
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D - NEW STYLE Pump Body for Harmony Breast Pump. The new style and old style pump body look identical. You have to look at your pump stem (see picture above) to tell if your pump body is a new or old style. Use the new style pump body with the new style stem. |
$10.99 each | |
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E - One white membrane - offset mount. There are two shown in the picture to depict the design on each side, but they are purchased individually. Volume discount on six membranes. This will appear as a volume discount of $1.10 in the shopping cart.
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$1.10 each Order six membranes for $5.50, a 16.67% savings. |
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F - Yellow valve with offset mount
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$1.70 each | |
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Pale yellow valve & white membrane
Combine parts E and F |
$2.50 each | |
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G - One 5oz. (150cc) collection bottle only (no lid). Two bottles shown, but purchased individually. Can be used in combination with any other Medela bottle parts shown below.
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$2.00 each | |
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H - Pale yellow bottle stand for Medela Breast Pump
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$4.10 each |
Each Harmony Breast Pump includes two 5 oz. collection bottles with solid yellow lids. Instead of a solid lid, a bottle collar and nipple can be used, so you can feed the baby direct from the bottle. A bottle cap will cover the nipple unit for storage. In addition a bottle disc is available. This seals the bottle when a bottle collar is being used, and the nipple is removed.
All the Medela bottle parts shown are interchangeable with one another, and the bottles have a universal thread. However, they will not work with the old style hexagonal Medela bottle sets (with the straight sides), if you happen to own any.
If you use your dishwasher to clean bottle parts and other small feeding accessories you might like the Prince Lionheart Dishwasher Nipple Basket, or the Prince Lionheart TOT Dishwasher Basket. Both are shown near the bottom of the Bottles & Milk Storage Bags Page
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G - One 5oz. (150cc) collection bottle only (no lid) - also shown above. Two bottles shown, but purchased individually. Can be used in combination with any other Medela bottle parts shown below.
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$2.00 each | |
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J1 - One solid yellow bottle lid - works with any Medela bottle
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$1.35 each | |
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J2 - One pale yellow bottle collar/ring
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$2.00 each | |
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J3 - One pale yellow bottle disc (fills ring)
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$0.80 each | |
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One silicone bottle nipple
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$1.00 each | |
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One pale yellow bottle cap
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$1.50 each | |
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One 5oz. (150cc) collection bottle with clear solid lid
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$2.75 each | |
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One small bottle with solid yellow lid (80cc)
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$1.60 each | |
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One small bottle without lid (80cc) | $0.30 each | |
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One clear solid bottle lid - works with any Medela bottle
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$0.85 each | |
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Five piece baby bottle set. Bottle with nipple, disc, collar, and cap (5 pieces) | $5.50 each 5 piece set. | |
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Breastmilk Storage and Feeding Set contains four six piece baby bottle sets. Bottle with nipple, disc, collar, cap, and solid lid (Total 24 pieces in each set)
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$19.95 each 24 piece set | |
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New!Breastmilk Storage and Feeding Single with slow flow silicone nipple. This set has safe plastic that is designed to retain breastmilk's beneficial properties. It is exclusively designed for long-term and safe breastmilk storage. Contains one 5oz. bottle, one slow flow nipple, one yellow collar, one yellow lid, and one travel cap/cup feeder. The set is dishwasher and microwave safe. The bottle works with all Medela breastpumps for pumping directly into the bottle. The bottle has easy-to-read volume marks. |
$4.99 each single | |
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New!Breastmilk Storage and Feeding Set with slow flow silicone nipples. This set has safe plastic that is designed to retain breastmilk's beneficial properties. It is exclusively designed for long-term and safe breastmilk storage. Contains three 5oz. bottles, three slow flow nipples, three yellow collars, three yellow lids, three travel caps/cup feeders, and one Quick Clean Micro-Steam Bag. The set is dishwasher and microwave safe. All bottles work with all Medela breastpumps for pumping directly into the bottle. Each bottle has easy-to-read volume marks. |
$14.99 each set |
Medela Quick Clean Micro-Steam Bags are brand new for spring 2003. Using these microwave bags to clean your breastpump parts can eliminate 99.9% of all harmful bacteria and germs, including Staph, E. Coli, Salmonella, Pneumonia, and yeast. The microwave bags are easy to use -- put water and the items to be cleaned in the bag, heat in the microwave, and be finished in 3 minutes. Each bag can be reused up to 20 times, and there are 5 reuseable bags in each box, for a total of 100 cleaning cycles! This is faster than boiling, and more effective than the dishwasher. Medela's new micro-steam bags are perfect for use at home, in daycare, at the babysitter, or in the office. Give them a try.
| Medela Quick Clean Micro-Steam Bags
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$4.99 per package of 5 bags |
Medela Quick Clean Anti-Bacterial Wipes are designed to disinfect breastshields, valves, membranes, but can also be used on breast pumps, tables, high chairs, changing tables, and other hard non-porous surfaces. Medela Quick Clean Wipes do not require any soap or water. They contain a Quarternary Formulation, of the type recommended by the American Academy of Pediatrics, that will thoroughly disinfect your pump accessories. Great for use when traveling, these wipes are alcohol free, bleach free, and scent free.Antibacterial Wipes 24 pack $8.99 |
Antibacterial Wipes 40 wipes- individually wrapped $16.99 |




