spectra backflow protector
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible22.0%search→purchase rate — share of searches ending in a sale
Returns
Good2.1%return rate — above 6% kills the launch gate
Avg price
Good$13.26avg listing price — sweet spot $15–$100
Price range
Good$8.95–$24.16cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$319K$319K/yr · 109K searches
Review moat
Okay2,258.23avg incumbent reviews — the moat a new listing must climb
Growth
Okay+7.3%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad76%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 rising
Sellers
9
Top-5 brand share
100%
Open market
0%
- Maymom37%
- PUMPMOM-US35%
- SPECTRA23%
- KAIYIV3%
- NENESUPPLY2%
- Open — no brand owns it (0%)
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 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
PumpMom-us Backflow Protector for Spectra Replacement Breast Pump Backflow Protector for Spectra S1 S2 9 Plus SG Breastpumps Pump Parts BPA Free
PUMPMOM-US$8.954.7★181 rev
Maymom Backflow Protector Compatible with Spectra S2 S1 and 9 Plus Syngergy Gold Breastpump Not Original Spectra Backflow Protector Replacement Pump Parts S2 Accessories
Maymom$9.724.8★2,838 rev
Backflow Protector Replacement Part for Breast Milk Pump - Breastfeeding Support Essential - Compatible with Spectra Breast Pumps 2 Pack
SPECTRA$20.554.8★4,931 rev
Backflow Protector Replacement Part for Breast Milk Pump - Breastfeeding Support Essential - Compatible with Spectra Breast Pumps
SPECTRA$10.194.8★4,931 rev
PumpMom-us Backflow Protector and Tubing for Spectra Replacement Breast Pump Parts for Spectra S1 Spectra S2 Spectra 9 Plus (Not Original Spectra S2 Accessories)
PUMPMOM-US$11.514.8★2,661 rev
Newest
by launch date
Spectra Baby Spectra Premier Wearable Duckbill Valve & Backflow Protector Replacement Kit - Durable BPA-Free Accessory - 2 Valves & 2 Backflow Protectors
SPECTRA$24.1631 rev
KAIYIV 4 pcs Backflow Protector Compatible with Spectra S2 S1 and 9 Plus Not Original Spectra Backflow Protector Replacement Pump Parts S2 Accessories
KAIYIV$9.7014 rev
Backflow Protector Replacement Part for Breast Milk Pump - Breastfeeding Support Essential - Compatible with Spectra Breast Pumps 2 Pack
SPECTRA$20.554,931 rev
Maymom Pump Parts Compatible with Spectra S1 S2 9 Plus Breastpump Replace Backflow Protector Membrane Duckbill Valve Tube Not Original Spectra Replacement Pump Parts
Maymom$17.49832 rev
Maymom Silicone Membrane Diaphragm Designed for Spectra S1 S2 9 Plus Breastpump Backflow Protector Also for Maymom Backflow Protector Long Medium Short Stem Not Original Spectra Accessories Pump Part
Maymom$12.95638 rev
Trending
90-day click momentumSpectra Baby Spectra Premier Wearable Duckbill Valve & Backflow Protector Replacement Kit - Durable BPA-Free Accessory - 2 Valves & 2 Backflow Protectors
SPECTRA$24.164.5★
KAIYIV 4 pcs Backflow Protector Compatible with Spectra S2 S1 and 9 Plus Not Original Spectra Backflow Protector Replacement Pump Parts S2 Accessories
KAIYIV$9.704.0★
Backflow Protector Replacement Part for Breast Milk Pump - Breastfeeding Support Essential - Compatible with Spectra Breast Pumps 2 Pack
SPECTRA$20.554.8★
PumpMom-us Backflow Protector for Spectra Replacement Breast Pump Backflow Protector for Spectra S1 S2 9 Plus SG Breastpumps Pump Parts BPA Free
PUMPMOM-US$8.954.7★
PumpMom-us Backflow Protector and Tubing for Spectra Replacement Breast Pump Parts for Spectra S1 Spectra S2 Spectra 9 Plus (Not Original Spectra S2 Accessories)
PUMPMOM-US$11.514.8★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +7.3% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality”
“Totally worth it”
“fit as expected”
“Compatible with my spectra gold”
“Worked perfectly”
“Very durable”
“no leaks or issues during pumping sessions”
“All the replacement parts seem to work properly except the tubing”
“are easy to clean”
“I think this is intended for the wearable one”
What buyers complain about
“Did not work”
“The fit was loose”
“Not what I expected”
“Very pricey, so we usually order off brand to save a lot of money”
“Not as good as I wished”
“the connection to the spectra over time”
“I was so happy to find replacement parts after one of mine broke”
“May 15th the backflow broke”
“Previously opened”
“did not work with my spectra for some reason”