Quick Answer
Clean your DiscreetDuo flanges after every use with mild soap and warm water, then sterilize them regularly and replace them when worn to keep your pump working reliably.
Why regular cleaning matters
Keeping your wearable pump flanges clean isn't just about hygiene—it also helps the pump maintain suction and performance. Over time, milk residue and oils can build up, which may affect how well the flange seals against your skin.
Manufacturers recommend inspecting parts before each use and replacing anything that looks worn or damaged. A small crack or deformed flange can reduce output and make pumping less comfortable.
Cleaning vs. sterilizing: what's the difference?
Cleaning removes milk residue and visible dirt, while sterilizing kills remaining bacteria. For a wearable pump used daily, you should wash parts after every session and sterilize them at least once a day—or more often if your baby is under three months old or has health concerns.
Many parents sterilize in a steam bag, electric sterilizer, or by boiling. Always check the manufacturer's guidance for your specific pump parts to avoid damaging them with high heat.
Step-by-Step Cleaning and Care Routine
- Disassemble and rinse: Take apart the pump and remove the flange from the collection cup. Rinse the flange under cool or lukewarm running water to remove milk residue. Avoid hot water at this stage, as it can set milk proteins and make cleaning harder. Rinse within 30 minutes of pumping to prevent residue from drying.
- Wash with soap and warm water: Use a dedicated basin (not the kitchen sink) and a mild, fragrance-free dish soap. Wash the flange with a soft bottle brush, paying attention to the tunnel and all crevices. Rinse thoroughly with clean water. Never use abrasive scrubbers that can scratch the surface and harbor bacteria.
- Air dry completely: Place the flange on a clean drying rack or a fresh paper towel. Let it air dry completely before reassembling. Moisture left inside can encourage mildew or bacterial growth. If you need it dry quickly, pat with a lint-free cloth—never use a dish towel that might carry germs.
- Sterilize regularly: Sterilize the flange at least once a day using a steam sterilizer, microwave steam bag, or boiling water for 5 minutes. Follow the sterilizer's instructions and ensure the flange is fully submerged if boiling. Check that the flange is heat-safe for your chosen method; if unsure, stick to steam sterilization.
- Inspect before each use: Before every pumping session, look at the flange for cracks, tears, or discoloration. Stretched or misshapen flanges can reduce suction and comfort. Replace immediately if you notice any damage. Keep a spare flange on hand so you're never caught without a working part.
Product Facts
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DiscreetDuo Wearable Pump – Flanges (1 count only): Lansinoh recommends replacing pump parts regularly to ensure the best functionality throughout your pump’s life, and to inspect parts before each use and replace any noticeably worn or damaged parts. Regular replacement of flanges helps maintain suction and comfort, so your pump continues to work effectively over time.
DiscreetDuo Wearable Pump – Flanges (1 count only)