Maymom 19 mm inserts (Long) compatible with Medela PersonalFit/Spectra 24 mm shields. It will reduce the 24-mm shield nipple tunnel down to 19 mm. Also compatible with Momcozy/LegendaryMilk/Tsrete Wearable 24mm silicone cups.
Maintain compatibility with most handsfree bra – Based on the Medela PersonalFit system. You can use most handsfree bra with your original 24 mm detachable shields having this insert inside.
Can be compatible with Spectra 24mm flanges, Ameda Purely Yours 25mm flanges, Ameda Mya Joy 25mm flanges, Willow 24mm flanges, Lansino 24mm flanges. Momcozy S9/S10/S12 Wearable Breastpump 24 mm cups (not for 27 mm cups)

2x shields (19 mm, suitable for mothers with nipple diameter AFTER pumping 17-18 mm) , Compatible with Medela pumps (New Medela Pump in Style with MaxFlow, Pump in style, Lactina, Symphony, Swing, Mini Electric FreeStyle, Swing Maxi, Sonata, Freestyle Flex and Harmony). NOTE: connectors are not included in this listing. Also compatible with Lansinoh SignaturePro SmartPump Manual Pump, replace Lansinoh Pump Parts, Lansinoh Flanges.
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