20mm Flange Insert
brand-locked demand (top 5 brands take 98% of clicks) — 20mm Flange Insert doesn't clear our bar today.
Flapen Score
Ranks 2,110 of 2,472 Baby Products niches · −11 vs the category median of 44
Is 20mm Flange Insert profitable on Amazon?
According to Flapen's Amazon United States niche tracking, 20mm Flange Insert is a $125K/yr Amazon United States market (51K searches/yr). The top 5 brands hold 98% of demand. Verdict: Skip it — 33/100.
20mm Flange Insert: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -14.7% over the last 90 days and 14.2% of searches end in a purchase.
$125K
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 4.6★ — the gap to enter on.
0/100
page quality · 9 products
Top 20mm Flange Insert 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
Spectra Baby USA - Single Breast Flange - Small / 20mm
- Price
- $14.39
- Rating
- 4.8/5
- Reviews
- 3,902
- Age
- 7y ago
Maymom 20 mm 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
- $19.53
- Rating
- 4.6/5
- Reviews
- 6,022
- Age
- 3y ago
Momstouch 20mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Spectra Pump Parts Not Original Replace Accessories.
- Price
- $16.64
- Rating
- 4.3/5
- Reviews
- 592
- Age
- 2y ago
Maymom Wide Neck Pump Part for Spectra S1/S2 Pumps; Incl Wide Mouth Flange; Not Original Spectra Flange; Replaces Spectra Shield (20 mm Two Flanges)
- Price
- $16.72
- Rating
- 4.7/5
- Reviews
- 7,932
- Age
- 8y ago
MOOMentaneous 20mm Flange and Duckbill Valve Compatible with Spectra S1/S2 and 9 Plus Not Original Spectra Pump Parts Replacement
- Price
- $12.55
- Rating
- 4.6/5
- Reviews
- 111
- Age
- 1y ago
Trending
90-day click momentumMOOMentaneous 20mm Flange and Duckbill Valve Compatible with Spectra S1/S2 and 9 Plus Not Original Spectra Pump Parts Replacement
- Price
- $12.55
- Rating
- 4.6/5
- Reviews
- 111
- Age
- 1y ago
Maymom Pump Parts Compatible with Spectra S2 S1 20mm Flange Valve Tube Bottle Backflow Protector Not Original Spectra S2 Replacement Pump Parts Duckbill Valve Bottle
- Price
- $32.49
- Rating
- 4.6/5
- Reviews
- 9,124
- Age
- 6y ago
Gotocut 20mm Flange Kit Compatible with Spectra S1/S2/9 Plus/Motif Luna Includes Flange 20mm Bottles Tubing Valves and Backflow Protectors
- Price
- $18.80
- Rating
- 4.5/5
- Reviews
- 74
- Age
- 1y ago
Spectra Baby USA - Single Breast Flange - Small / 20mm
- Price
- $14.39
- Rating
- 4.8/5
- Reviews
- 3,902
- Age
- 7y ago
Momstouch 20mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Spectra Pump Parts Not Original Replace Accessories.
- Price
- $16.64
- Rating
- 4.3/5
- Reviews
- 592
- Age
- 2y ago
Newest
by launch dateGotocut 20mm Flange Kit Compatible with Spectra S1/S2/9 Plus/Motif Luna Includes Flange 20mm Bottles Tubing Valves and Backflow Protectors
- Price
- $18.80
- Rating
- 4.5/5
- Reviews
- 74
- Age
- 1y ago
MOOMentaneous 20mm Flange and Duckbill Valve Compatible with Spectra S1/S2 and 9 Plus Not Original Spectra Pump Parts Replacement
- Price
- $12.55
- Rating
- 4.6/5
- Reviews
- 111
- Age
- 1y ago
TOVVILD 20mm Flange Inserts for 24mm Flange/Shield Compatible with Momcozy/Medela/MOMMED/Spectra Breast Pumps Pump Parts Replace (4PCS 20mm)
- Price
- $8.78
- Rating
- 4.4/5
- Reviews
- 1,539
- Age
- 2y ago
Momstouch 20mm Flange Compatible with Spectra S1 S2 9 Plus Synergy Gold Breastpump Replacement to Spectra Pump Parts and Flange; Not Original; Replaces Shield
- Price
- $15.60
- Rating
- 4.6/5
- Reviews
- 301
- Age
- 2y ago
Momstouch 20mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Spectra Pump Parts Not Original Replace Accessories.
- Price
- $16.64
- Rating
- 4.3/5
- Reviews
- 592
- Age
- 2y ago
Competition: brands, sellers & click share
The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.
Brands
6 flat
Sellers
12
Top-5 brand share
98%
Top 20: 100%
Top-5 click share
89%
Top 20: 100%
Open market
0%
- Maymom37%
- SPECTRA31%
- Momstouch24%
- MOOMentaneous5%
- TOVVILD2%
- Gotocut2%
20mm Flange Insert demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.2×
Top 20mm Flange Insert search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- spectra flange 20mm14K/yr
- spectra 20mm flange12K/yr
- 20mm flange spectra10K/yr
- 20 mm flange spectra8K/yr
- spectra 20 mm flange set6K/yr
What reviews say buyers love and hate about 20mm Flange Insert
What buyers mention most, as a share of all reviews.
What buyers love
96% of reviews“Perfect Fit”
“Works great with my Spectra breast pump”
“I have ordered this twice because I love the price point”
“Good quality”
“Works as intended”
What buyers complain about
90% of reviews“Non functional”
“Not compatible with SpectraS1”
“Didn't fit at all”
“resulting in spilled milk both times”
“Poor quality”
20mm Flange Insert return rate & reasons
Why buyers send it back, as a share of all return requests.
5.9%
Return rate
85%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common 20mm Flange Insert 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.
