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The Luna© Maintenance Bundle

R 435.00 Regular price
Size24mm Size Chart

Find your Luna flange size

Luna nipple measurement and flange size chart: up to 13 mm, 15 mm insert; up to 15 mm, 17 mm insert; up to 17 mm, 19 mm insert; up to 20 mm, 21 mm insert; up to 23 mm, 24 mm flange; up to 26 mm, 27 mm flange.
Tap the image to enlarge the chart.
  1. Measure both nipples

    Before pumping, gently stimulate your nipple so it stands out. Measure its width at the base in millimetres. Measure only the nipple, not the areola.

    Use a millimetre ruler or the included nipple ruler. With the nipple ruler, choose a hole that fits without squeezing. Measure each side separately.

  2. Find your fit

    Match each measurement to the chart above for a starting size. Your left and right sides may need different sizes.

    When pumping, your nipple should move freely without painful rubbing or pinching. If it hurts, stop and check the fit.

Included with Luna: 24 mm flange + 17, 19 and 21 mm inserts.

Need a size outside the kit? 15 mm inserts and 27 mm flanges are available separately. Between sizes? Ask us for help.

  • Free Shipping
  • Made for Luna
  • Easy to Replace

Keep your pump working at its best! The Maintenance Bundle includes the most 3 commonly replaced parts. Replace every 1-2 months or as required - see our how to guide for more information about when to replace your accessories.

  • 1x Silicone Shield - 24mm or 27mm
  • 1x Valve
  • 1x Diaphragm
Care Instructions

Clean all pump parts with warm soapy water and a soft cloth or brush after each use.

Allow all parts to air dry completely before reassembling.

Sterilising is not necessary unless advised by a healthcare professional, as the parts only come into contact with breast milk.,

Avoid placing parts in the dishwasher, as high temperatures can cause damage or discolouration.

Shipping & Returns

Shipping

  • Standard shipping: FREE · Delivery times vary by destination
  • Express shipping: Available at checkout where offered
  • Processing time: 1 business day

Shop with Confidence

We offer FREE size exchanges and cover return postage.

Once your exchange is approved, we’ll send your replacement straight away—even before you send your original item back. We’ll provide a prepaid return label to make it easy.

90-Day Hassle-Free Returns

You have 90 days from delivery to request a return on unused items. Simply email support@mammabump.com, and our team will guide you through the next steps.

View our full returns & exchanges policy.

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The little details

Why You’ll Love It

Everyday moments

Real stories, everyday support

Real-life moments and honest experiences from our community.

Customer Reviews

Honest experiences, shared by our community.

Customer Reviews

Overall rating: 4.6 / 5 from 16 reviews.

Customer photo review of The Luna© Maintenance Bundle

We’ve spent 6 weeks in the NICU with a term baby so far that was born nonresponsive. These have been great for convenience and they are discrete!

The Luna© Maintenance Bundle

My first an favourite pump, these parts work wonders an last quite a while :)

The Luna© Maintenance Bundle

Absolutely love this pump! Just purchased second one to make it more efficient timing wise.

The Luna© Maintenance Bundle

I was missing a piece from the pump I had received and once notifying them of the issue, the team were super friendly and immediately sent me a replacement piece, no questions asked. Super appreciated by a mumma struggling with early breast feeding / pumping, you guys are amazing!

The Luna© Maintenance Bundle

So great you can purchase parts for the breast pump as opposed to buying a whole new one!

The Luna© Maintenance Bundle

I love this pump, but there needs to be an extra valve in with the package. I’ve lost my valve twice, as it’s so small and clear and is easily lost while washing. Then it’s inconvenient and stressful to be left without a pump, and have to wait for shipping. I’ve already had to pay to replace a one valve (which can’t be sold separately and you have to buy a complete package of spare parts). I can’t justify another replacement valve so I might look to another product. The value should be made in a bright colour so it can’t be lost. It’s a great product, but don’t lose any parts.

The Luna© Maintenance Bundle

Love the product and generally rate the Luna breast pump, however shipping took too long (over a month not the 2-3 days shipping as advised on website). It’s important for mums to have access to these spare parts in a timely manner. If parts are not avaliable due to stock issues at time of purchase then there needs to be some way of notifying the buyer asap either prior to or at time of order so mums can make informed decisions about purchase. Or at least provide a spare valve with the initial kit, given that is the most vulnerable and essential part for the pump to work.

The Luna© Maintenance Bundle

I definitely recommend getting some replacement parts. I'm a third-time mom, and with all my breast pumps, I had to replace some silicone parts at some points to maintain the efficiency of the pump. It also comes in handy if you misplace a part, like I did with my baby brain 🤦🏻‍♀️

The Luna© Maintenance Bundle

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