---
title: "Spectra Backflow Protector — $319K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/baby-products/spectra-backflow-protector"
last_updated: "2026-08-09T05:21:51.888Z"
locale: en
meta:
description: "Niche score 43/100 · $319K/yr market · 109K searches/yr · $13.26 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · $319K/yr market · 109K searches/yr · $13.26 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Spectra Backflow Protector — $319K/yr Amazon US Niche (2026) - Flapen"
---
# **spectra backflow protector**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 52Growth 34Conversion 100Competition 20Returns 73Price range 60Avg price 61Brand share 0Review moat 42Quality gap 21
**Conversion**
**Incredible****22.0%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Good****2.1%**
return rate — above 5% kills the launch gate
**Avg price**
**Good****$13.26**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$8.95–$24.16**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$319K**
$319K/yr · 109K searches
**Review moat**
**Okay****2,258.23**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Okay****+7.3%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****76%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, spectra backflow protector is a $319K/yr Amazon United States market (109K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 43/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **spectra backflow protector market data**
- **Units sold / yr**
- **25K–30K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$332K–$398K**
- units × avg price
- **Conversion rate**
- **22.0%**
- **Avg BSR**
- **#168**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **1.8%**
- **Avg brand age**
- **42 months**
- **Avg seller age**
- **191 days**
## **Competition & brand share**
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%**
Top 20: 100%
**Top-5 click share**
**76%**
Top 20: 100%
**Open market**
**0%**
- Maymom37% - PUMPMOM-US35% - SPECTRA23% - KAIYIV3% - NENESUPPLY2% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +7.3% search growth over the last 90 days.
2K2KSpike '24Prime Day '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/baby-products/spectra-backflow-protector/trend)
## **Top spectra backflow protector search terms**
- **spectra backflow protector replacement**20K/yr+86.7%22.4% conv. - **spectra backflow protector**37K/yr-43.4%19.1% conv. - **spectra backflow protectors**4K/yr>1,000%23.1% conv. - **spectra backflow protectors replacement**7K/yr+7.6%23.7% conv. - **backflow protector spectra s1**9K/yr+6.9%17.2% conv. - **spectra membrane replacement**7K/yr-11.7%8.5% conv. - **spectra replacement backflow protector**4K/yr-4.6%22.0% conv. - **spectra diaphragm replacement**3K/yr+7.4%15.7% conv. - **backflow protector spectra s2**3K/yr-16.1%22.8% conv. - **back flow protector spectra**3K/yr+5.3%17.3% conv. [**All search terms **](https://flapen.com/research/us/baby-products/spectra-backflow-protector/search-terms)
## **Top spectra backflow protector products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$32K20%$64K30%$96K40%$127K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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**$8.95**4.7★181 rev](https://www.amazon.com/dp/B0CKDZ15DY) [2**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**$9.72**4.8★2,838 rev](https://www.amazon.com/dp/B01BREQFME) [3**Backflow Protector Replacement Part for Breast Milk Pump - Breastfeeding Support Essential - Compatible with Spectra Breast Pumps 2 Pack**SPECTRA**$20.55**4.8★4,931 rev](https://www.amazon.com/dp/B0F67LKRRW) [4**Backflow Protector Replacement Part for Breast Milk Pump - Breastfeeding Support Essential - Compatible with Spectra Breast Pumps**SPECTRA**$10.19**4.8★4,931 rev](https://www.amazon.com/dp/B072F9HL53) [5**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**$11.51**4.8★2,661 rev](https://www.amazon.com/dp/B08PTVLLWQ)
**~~View all top sellers →~~**
### **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**$24.16**31 rev9mo ago](https://www.amazon.com/dp/B0FTMP56PG) [**KAIYIV 4 pcs Backflow Protector Compatible with Spectra S2 S1 and 9 Plus Not Original Spectra Backflow Protector Replacement Pump Parts S2 Accessories**KAIYIV**$9.70**14 rev1y ago](https://www.amazon.com/dp/B0FFNFHGT1) [**Backflow Protector Replacement Part for Breast Milk Pump - Breastfeeding Support Essential - Compatible with Spectra Breast Pumps 2 Pack**SPECTRA**$20.55**4,931 rev1y ago](https://www.amazon.com/dp/B0F67LKRRW) [**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**$17.49**832 rev2y ago](https://www.amazon.com/dp/B0CWG8T5M1) [**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**$12.95**638 rev2y ago](https://www.amazon.com/dp/B0CKXYSB6F)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Spectra Baby Spectra Premier Wearable Duckbill Valve & Backflow Protector Replacement Kit - Durable BPA-Free Accessory - 2 Valves & 2 Backflow Protectors**SPECTRA**$24.16**4.5★**▲ 194%**](https://www.amazon.com/dp/B0FTMP56PG) [**KAIYIV 4 pcs Backflow Protector Compatible with Spectra S2 S1 and 9 Plus Not Original Spectra Backflow Protector Replacement Pump Parts S2 Accessories**KAIYIV**$9.70**4.0★**▲ 96%**](https://www.amazon.com/dp/B0FFNFHGT1) [**Backflow Protector Replacement Part for Breast Milk Pump - Breastfeeding Support Essential - Compatible with Spectra Breast Pumps 2 Pack**SPECTRA**$20.55**4.8★**▲ 75%**](https://www.amazon.com/dp/B0F67LKRRW) [**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**$8.95**4.7★**▲ 58%**](https://www.amazon.com/dp/B0CKDZ15DY) [**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**$11.51**4.8★**▲ 30%**](https://www.amazon.com/dp/B08PTVLLWQ)
**~~View all trending →~~**
## **What buyers say about spectra backflow protector**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**17%
*“Good quality”*
**Value For Money**14%
*“Totally worth it”*
**Size-Overall**13%
*“fit as expected”*
**Compatibility-Overall**11%
*“Compatible with my spectra gold”*
**Advertised Vs Actual Product**7%
*“Worked perfectly”*
**Durability**5%
*“Very durable”*
**Leak-Proof**4%
*“no leaks or issues during pumping sessions”*
**Correct Contents**3%
*“All the replacement parts seem to work properly except the tubing”*
**Ease Of Cleaning**3%
*“are easy to clean”*
**Portability**2%
*“I think this is intended for the wearable one”*
### **What buyers complain about **
**Functionality-Overall**16%
*“Did not work”*
**Size-Overall**14%
*“The fit was loose”*
**Advertised Vs Actual Product**8%
*“Not what I expected”*
**Value For Money**8%
*“Very pricey, so we usually order off brand to save a lot of money”*
**Quality-Overall**6%
*“Not as good as I wished”*
**Connectivity-Overall**6%
*“the connection to the spectra over time”*
**Defective Material/Parts**6%
*“I was so happy to find replacement parts after one of mine broke”*
**Durability**5%
*“May 15th the backflow broke”*
**Product Condition**3%
*“Previously opened”*
**Compatibility-Overall**2%
*“did not work with my spectra for some reason”*
### **Top return reasons **
**Size-Overall**27%
**Defective Material/Parts**17%
**Functionality-Overall**13%
**Advertised Vs Actual Product**10%
**Value For Money**6%
**Compatibility-Overall**5%
**Connectivity-Overall**4%
**Quality-Overall**3%
**Breastfeeding Friendly**3%
**Material Quality**2%
## **Common questions**
- **Is spectra backflow protector profitable to sell on Amazon United States?**
- The niche generates $319K/yr across 13 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +7.3%. Flapen's verdict: Skip it (43/100).
- **How competitive is the spectra backflow protector niche?**
- 5 brands and 9 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in spectra backflow protector?**
- Top complaints mined from reviews: Functionality-Overall, Size-Overall, Advertised Vs Actual Product. The return rate is 2.1%.
- **When does demand for spectra backflow protector peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the spectra backflow protector niche?**
- Listings span $8.95–$24.16; the average listing price is $13.26 (sweet spot $15–$100). The average incumbent carries 2,258 reviews — the moat a new listing must climb.
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