18mm Flange Spectra
brand-locked demand (top 5 brands take 98% of clicks) — 18mm Flange Spectra doesn't clear our bar today.
Flapen Score
Ranks 1,756 of 2,472 Baby Products niches · −6 vs the category median of 44
Is 18mm Flange Spectra profitable on Amazon?
According to Flapen's Amazon United States niche tracking, 18mm Flange Spectra is a $241K/yr Amazon United States market (98K searches/yr). The top 5 brands hold 98% of demand. Verdict: Skip it — 38/100.
18mm Flange Spectra: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -6.5% over the last 90 days and 17.7% of searches end in a purchase.
$241K
revenue / yr
Who owns the niche?
The top 5 brands hold 98% of demand, so 2% of the market is open.
2%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.
0/100
page quality · 13 products
Top 18mm Flange Spectra products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Maymom 18mm Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Spectra 9 Plus Not Original Spectra Pump Parts Replace Spectra S2 Pump Parts Spectra Flange Spectra Duckbill Valve
- Price
- $19.74
- Rating
- 4.6/5
- Reviews
- 6,022
- Age
- 3y ago
4Pcs Breast Pump Flange Insert 18mm 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
- Price
- $7.92
- Rating
- 4.5/5
- Reviews
- 635
- Age
- 1y ago
Momstouch 18mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Spectra Pump Parts Not Original Replace Accessories.
- Price
- $16.77
- Rating
- 4.3/5
- Reviews
- 592
- Age
- 2y ago
Maymom 18mm Wide Neck Pump Part Compatible with Spectra S1/S2 Pumps; Incl Wide Mouth Flange; Not Original Spectra Flange; Replaces Shield; Compatible with Motif Luna Pumps
- Price
- $17.62
- Rating
- 4.7/5
- Reviews
- 7,932
- Age
- 3y ago
18mm Flange Inserts for 24mm Flange/Shield Compatible with Momcozy/Medela/MOMMED/Bellababy/Spectra Breast Pumps Pump Parts Replace (4PCS 18mm)
- Price
- $8.87
- Rating
- 4.4/5
- Reviews
- 1,539
- Age
- 2y ago
Trending
90-day click momentum
18mm Maymom MyFit Shields Pano Series; Compatible with Medela Breast Pump- PersonalFit Freestyle Harmony Maxi Freestyle Flex Connector; Connect to Maymom Widemouth/Narrow Connector 2pcs
- Price
- $15.53
- Rating
- 4.5/5
- Reviews
- 8,889
- Age
- 2y ago
6Pcs Breast Pump Flange Insert 18mm 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
- Price
- $8.77
- Rating
- 4.5/5
- Reviews
- 253
- Age
- 1y ago
MOOMentaneous 18mm Flange and Duckbill Valve Compatible with Spectra S1/S2 and 9 Plus Not Original Spectra Pump Parts Replacement
- Price
- $12.30
- Rating
- 4.6/5
- Reviews
- 111
- Age
- 1y ago
4Pcs Breast Pump Flange Insert 18mm 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
- Price
- $7.92
- Rating
- 4.5/5
- Reviews
- 635
- Age
- 1y ago
Momstouch 18mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Spectra Pump Parts Not Original Replace Accessories.
- Price
- $16.77
- Rating
- 4.3/5
- Reviews
- 592
- Age
- 2y ago
Newest
by launch date
6pcs Updated Silicone Flange Insert 18mm Compatible with Momcozy/Medela/Spectra/Eufy/Lansinoh/TSRETE/Elvie/NCVI/Paruu Breast Pump for 24mm Flange/Shield Breastfeeding Essential Replacement Pump Part
- Price
- $9.98
- Rating
- 4.2/5
- Reviews
- 169
- Age
- 10mo ago
Maymom Pump Parts Compatible with Spectra S2 S1 18mm Flange Valve Tube Bottle Backflow Protector Not Original Spectra S2 Replacement Pump Parts Duckbill Valve Bottle
- Price
- $32.51
- Rating
- 4.6/5
- Reviews
- 9,124
- Age
- 1y ago
6Pcs Breast Pump Flange Insert 18mm 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
- Price
- $8.77
- Rating
- 4.5/5
- Reviews
- 253
- Age
- 1y ago
4Pcs Breast Pump Flange Insert 18mm 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
- Price
- $7.92
- Rating
- 4.5/5
- Reviews
- 635
- Age
- 1y ago
IVARONAL Flange Insert 2PCS 18mm 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-18mm)
- Price
- $6.90
- Rating
- 4.5/5
- Reviews
- 848
- Age
- 1y ago
Competition: brands, sellers & click share
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.
Brands
6 falling
Sellers
8
Top-5 brand share
98%
Top 20: 100%
Top-5 click share
73%
Top 20: 100%
Open market
0%
- Maymom49%
- BDICOVE19%
- Momstouch15%
- TOVVILD9%
- MOOMentaneous6%
- IVARONAL2%
- Open — no brand owns it (0%)
18mm Flange Spectra demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.3×
Top 18mm Flange Spectra search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- 18mm flange insert18K/yr
- spectra flange 18mm17K/yr
- 18mm flange spectra16K/yr
- 18 mm flange insert11K/yr
- spectra 18mm flange set11K/yr
- 18 mm flange spectra11K/yr
- spectra 18mm flange5K/yr
- 18mm flange5K/yr
- 18mm spectra flange2K/yr
- maymom 18mm flange spectra2K/yr
What reviews say buyers love and hate about 18mm Flange Spectra
What buyers mention most, as a share of all reviews.
What buyers love
92% of reviews“Fit well”
“Light weight and comfortable”
“Highest quality flanges I own”
“It is easy to clean and good quality, with stands the heat of steaming”
“Easy to use”
What buyers complain about
81% of reviews“Order wrong size”
“will come off so easily”
“for some reason this style leaks so bad from not suctioning onto my whole breast no matter how I try to adjust them”
“they already broke”
“just feel cheap”
18mm Flange Spectra return rate & reasons
Why buyers send it back, as a share of all return requests.
5.9%
Return rate
86%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common 18mm Flange Spectra questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
