Spectra Replacement Pump Parts 21mm
brand-locked demand (top 5 brands take 100% of clicks) — Spectra Replacement Pump Parts 21mm doesn't clear our bar today.
Flapen Score
Ranks 2,050 of 2,472 Baby Products niches · −10 vs the category median of 44
Is Spectra Replacement Pump Parts 21mm profitable on Amazon?
According to Flapen's Amazon United States niche tracking, Spectra Replacement Pump Parts 21mm is a $42K/yr Amazon United States market (14K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 34/100.
Spectra Replacement Pump Parts 21mm: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -8.9% over the last 90 days and 13.2% of searches end in a purchase.
$42K
revenue / yr
Who owns the niche?
The top 5 brands hold 100% of demand, so 0% of the market is open.
0%
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 · 9 products
Top Spectra Replacement Pump Parts 21mm 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 Pump Parts Compatible with Spectra S2 S1 Replacement Kit for Spectra Pump Parts 21mm Flange Duckbill Valve Tube Bottle Backflow Protector Not Original S2 Accessories
- Price
- $32.51
- Rating
- 4.6/5
- Reviews
- 9,124
- Age
- 7y ago
Momstouch 21mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Spectra Pump Parts Not Original Replace Accessories.
- Price
- $16.74
- Rating
- 4.3/5
- Reviews
- 592
- Age
- 2y ago
Pump Parts Compatible with Spectra S1/S2/9Plus/SG Breastpump Full Set Replacement Parts for Spectra Include 21mm Flange Duckbill Valve Backflow Protector Tube Bottle Not Original S1/S2 Accessories
- Price
- $20.08
- Rating
- 4.4/5
- Reviews
- 611
- Age
- 1y ago
Maymom 21mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Replacment Pump Parts Not Original Spectra Flange Duckbill Valve
- Price
- $18.80
- Rating
- 4.6/5
- Reviews
- 6,022
- Age
- 6y ago
21mm Flange Maymom Pump Parts Compatible with Spectra S2 S1 9 Plus Breastpump Not Original Spectra S2 S1 Replacement Pump Parts Accessories Small Flange
- Price
- $30.41
- Rating
- 4.6/5
- Reviews
- 1,226
- Age
- 7y ago
Trending
90-day click momentum
Breast Pump Accessories Compatible with Spectra S1 S2 S9 Plus Replacement Pump Parts 2 Sets with 21mm Flanges Spectra 10oz Bottles Duckbill Valves Tubing Backflow Protectors Not Original
- Price
- $20.47
- Rating
- 4.6/5
- Reviews
- 72
- Age
- 8mo ago
Pump Parts Compatible with Spectra S1/S2/9Plus/SG Breastpump Full Set Replacement Parts for Spectra Include 21mm Flange Duckbill Valve Backflow Protector Tube Bottle Not Original S1/S2 Accessories
- Price
- $34.93
- Rating
- 4.4/5
- Reviews
- 611
- Age
- 1y ago
Hranio Breast Pump Parts Compatible with Spectra Replacement Pump Parts 21mm Flange Spectra Pump Parts S1 S2 Replacements Full Set 2 Set (Full SET-21MM)
- Price
- $19.05
- Rating
- 4.6/5
- Reviews
- 43
- Age
- 2y ago
21mm Flange Maymom Pump Parts Compatible with Spectra S2 S1 9 Plus Breastpump Not Original Spectra S2 S1 Replacement Pump Parts Accessories Small Flange
- Price
- $30.41
- Rating
- 4.6/5
- Reviews
- 1,226
- Age
- 7y ago
Maymom 21mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Replacment Pump Parts Not Original Spectra Flange Duckbill Valve
- Price
- $18.80
- Rating
- 4.6/5
- Reviews
- 6,022
- Age
- 6y ago
Newest
by launch dateBreast Pump Accessories Compatible with Spectra S1 S2 S9 Plus Replacement Pump Parts 2 Sets with 21mm Flanges Spectra 10oz Bottles Duckbill Valves Tubing Backflow Protectors Not Original
- Price
- $20.47
- Rating
- 4.6/5
- Reviews
- 72
- Age
- 8mo ago
Pump Replacement Parts Compatible with Spectra S1/S2/9 Plus Not Original Accessories Full Set Include 21mm Flanges Valves Tubings and BottlesBackflow Protectors and Duckbills
- Price
- $21.01
- Rating
- 4.4/5
- Reviews
- 378
- Age
- 1y ago
Pump Parts Compatible with Spectra S1/S2/9Plus/SG Breastpump Full Set Replacement Parts for Spectra Include 21mm Flange Duckbill Valve Backflow Protector Tube Bottle Not Original S1/S2 Accessories
- Price
- $20.08
- Rating
- 4.4/5
- Reviews
- 611
- Age
- 1y ago
Pump Parts Compatible with Spectra S1/S2/9Plus/SG Breastpump Full Set Replacement Parts for Spectra Include 21mm Flange Duckbill Valve Backflow Protector Tube Bottle Not Original S1/S2 Accessories
- Price
- $34.93
- Rating
- 4.4/5
- Reviews
- 611
- Age
- 1y ago
Hranio Breast Pump Parts Compatible with Spectra Replacement Pump Parts 21mm Flange Spectra Pump Parts S1 S2 Replacements Full Set 2 Set (Full SET-21MM)
- Price
- $19.05
- Rating
- 4.6/5
- Reviews
- 43
- Age
- 2y ago
Competition: brands, sellers & click share
The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.
Brands
5 falling
Sellers
8
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
84%
Top 20: 100%
Open market
0%
- Maymom51%
- afontoto23%
- Momstouch19%
- MilkFlow4%
- Hranio4%
- Open — no brand owns it (0%)
Spectra Replacement Pump Parts 21mm demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.3×
What reviews say buyers love and hate about Spectra Replacement Pump Parts 21mm
What buyers mention most, as a share of all reviews.
What buyers love
89% of reviews“True to size”
“Amazing quality flanges”
“way better than I expected”
“Good quality and truly is compatible”
“Easy to clean”
What buyers complain about
91% of reviews“they seem tiny”
“they don't do a great job”
“Poor quality”
“Flawed, possibility of getting used product”
“Dont fit in the cup caddy for s2”
Spectra Replacement Pump Parts 21mm return rate & reasons
Why buyers send it back, as a share of all return requests.
6.0%
Return rate
82%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Spectra Replacement Pump Parts 21mm 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.
