14mm flange spectra
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible15.6%search→purchase rate — share of searches ending in a sale
Avg price
Good$12.59avg listing price — sweet spot $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay2,875.36avg incumbent reviews — the moat a new listing must climb
Price range
Okay$6.95–$19.53cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+0.1%90-day search growth — must beat 0% to launch
Returns
Bad6.2%return rate — above 6% kills the launch gate
Competition
Bad75%top-5 click share — a locked-up shelf
Market size
Bad$57K$57K/yr · 29K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
6
Top-5 brand share
100%
Open market
0%
- BDICOVE43%
- Maymom32%
- Momstouch14%
- IVARONAL8%
- LOZAEVE4%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
4Pcs Breast Pump Flange Insert 14mm Compatible with Momcozy/Spectra/Medela/eufy/Elvie/Lansinoh/Paruu P10 Breast Pump Fit for Momcozy M5/M9/M6/V2 Pro/V2 pro/S12 Pro/eufy E10 S1 S1 Pro 24mm Flange
BDICOVE$7.904.5★635 rev
Maymom 14mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus. Not Original Spectra Pump Parts. Replace S2 Pump Parts Flange Duckbill Valve
Maymom$19.534.6★6,022 rev
Maymom 14mm Wide Neck Pump Part for Spectra S1/S2 Pumps; Incl Wide Mouth Flange; Not Original Spectra Flange; Replaces Spectra Shield
Maymom$17.614.7★7,932 rev
Momstouch 14mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Spectra Pump Parts Not Original Replace Accessories.
Momstouch$16.614.3★592 rev
6Pcs Breast Pump Flange Insert 14mm Compatible with Momcozy/Spectra/Medela/eufy/Elvie/Lansinoh/Paruu P10 Breast Pump Fit for Momcozy M5/M9/M6/V2 Pro/V2 pro/S12 Pro/eufy E10 S1 S1 Pro 24mm Flange
BDICOVE$8.934.5★253 rev
Newest
by launch date
4PC Flange Insert 14mm Compatible with Momcozy M5/M6/M9/S12 Pro/V1 Pro/V1 Pro Breast Pump Fit for Eufy/Elvie/Medela/Spectra/Lansinoh/NCVI/Lansinoh/TSRETE with 24mm Flange/Shield Breast Pump
IVARONAL$8.02798 rev
6Pcs Breast Pump Flange Insert 14mm Compatible with Momcozy/Spectra/Medela/eufy/Elvie/Lansinoh/Paruu P10 Breast Pump Fit for Momcozy M5/M9/M6/V2 Pro/V2 pro/S12 Pro/eufy E10 S1 S1 Pro 24mm Flange
BDICOVE$8.93253 rev
4Pcs Breast Pump Flange Insert 14mm Compatible with Momcozy/Spectra/Medela/eufy/Elvie/Lansinoh/Paruu P10 Breast Pump Fit for Momcozy M5/M9/M6/V2 Pro/V2 pro/S12 Pro/eufy E10 S1 S1 Pro 24mm Flange
BDICOVE$7.90635 rev
IVARONAL Flange Insert 2PCS 14mm Compatible with Momcozy M9/M6/M5/S12 Pro/V1 Pro/V2 pro Spectra/Medela/Elvie/NCVI/TSRETE/eufy/Lansinoh/Paruu/MomMed Breast Pump 24mm Shields/Flanges (2pcs-14mm)
IVARONAL$6.95848 rev
14mm Maymom MyFit Shields Pano Series; Compatible with Medela Breast Pump- PersonalFit Freestyle Harmony Maxi Freestyle Flex Connector; Connect to Maymom Widemouth/Narrow Connector 2pcs
Maymom$15.618,889 rev
Trending
90-day click momentum
Momstouch 14mm Flange Compatible with Spectra S1 S2 9 Plus Synergy Gold Breastpump Replacement to Spectra Pump Parts and Flange; Not Original; Replaces Shield
Momstouch$15.554.6★
14mm Maymom MyFit Shields Pano Series; Compatible with Medela Breast Pump- PersonalFit Freestyle Harmony Maxi Freestyle Flex Connector; Connect to Maymom Widemouth/Narrow Connector 2pcs
Maymom$15.614.5★
LOZAEVE 14mm Flange Insert Compatible with 24mm Flange/Shield of Breast Pumps for Momcozy S9 Pro S10 S12 Pro Medela Spectra Elvie Stride TSRETE S18 S21 S23 Bellababy kmaier NCVI MomMed BIOBOO
LOZAEVE$7.064.5★
6Pcs Breast Pump Flange Insert 14mm Compatible with Momcozy/Spectra/Medela/eufy/Elvie/Lansinoh/Paruu P10 Breast Pump Fit for Momcozy M5/M9/M6/V2 Pro/V2 pro/S12 Pro/eufy E10 S1 S1 Pro 24mm Flange
BDICOVE$8.934.5★
4PC Flange Insert 14mm Compatible with Momcozy M5/M6/M9/S12 Pro/V1 Pro/V1 Pro Breast Pump Fit for Eufy/Elvie/Medela/Spectra/Lansinoh/NCVI/Lansinoh/TSRETE with 24mm Flange/Shield Breast Pump
IVARONAL$8.024.3★
Demand
Weekly Amazon search volume, last 10 weeks — +0.1% search growth over the last 90 days.Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Fit is good”
“Compatible with multiple pumps”
“Super easy to use”
“Wonderful product”
“Product is as described”
“theyve held up well”
“Good price and does what you need”
What buyers complain about
“Inconsistent sizing”
“Disgusting - used product sent”
“They don't last very long”
“Nipples are beat up”
“Peice of garbage”