---
title: "Drain Fly Spray — $601K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/drain-fly-spray"
last_updated: "2026-08-11T10:47:04.542Z"
locale: en
meta:
description: "Niche score 58/100 · $601K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 58/100 · $601K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Drain Fly Spray — $601K/yr Amazon US Niche (2026) - Flapen"
---
# **drain fly spray**
**Worth a look**
Shows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 64Growth 76Conversion 96Competition 5Returns 98Price range 57Avg price 94Brand share 0Review moat 33Quality gap 80
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****13.7%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$48.45**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Growth**
**Great****+61.8%**
90-day search growth — must beat 0% to launch
**Market size**
**Good****$601K**
$601K/yr · 91K searches
**Price range**
**Good****$16.01–$162.68**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Okay****3,166.86**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****94%**
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, drain fly spray is a $601K/yr Amazon United States market (91K searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 58/100.
Data updated Jul 13, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **drain fly spray market data**
- **Units sold / yr**
- **10K–13K**
- avg 1,250–1,500/product
- **Revenue / yr**
- **$485K–$606K**
- units × avg price
- **Conversion rate**
- **13.7%**
- **Avg BSR**
- **#209**
- **Page quality**
- **0%**
- **Prime**
- **86%**
- **Sponsored**
- **71%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **62 months**
- **Avg seller age**
- **154 days**
## **Competition & brand share**
The top 5 products capture 94% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▼falling
**Sellers**
**16**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**94%**
Top 20: 100%
**Open market**
**0%**
- Nisus54% - Terro39% - Green Gobbler3% - Eco Strong3% - Open — no brand owns it (0%)
## **Demand**
Weekly Amazon search volume, last 40 weeks — +61.8% search growth over the last 90 days.
3K2KSpike '26Oct '25Nov '25Dec '25Feb '26Mar '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/health-household/drain-fly-spray/trend)
## **Top drain fly spray search terms**
- **terro drain insect killer foam**16K/yr+172.0%12.5% conv. - **nibor d foam**12K/yr+23.4%8.4% conv. - **nibor d insecticide foam plus igr**12K/yr+5.1%12.1% conv. - **terro drain insect killer**8K/yr+196.6%10.5% conv. - **cockroach drain killer**7K/yr+186.9%2.8% conv. - **nibor d**14K/yr+15.8%7.9% conv. - **roach drain killer**6K/yr+127.4%3.5% conv. - **drain roach killer**4K/yr+108.7%4.2% conv. - **nibor-d**3K/yr+56.4%11.7% conv. - **cockroach killer for drains**7K/yr-48.3%1.4% conv. [**All search terms **](https://flapen.com/research/us/health-household/drain-fly-spray/search-terms)
## **Top drain fly spray 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%15%$90K30%$180K45%$270K60%$361K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 7 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Nibor-D Insecticide Foam with IGR Ready-to-Use for Fly and Cockroach Control 360 Degree Application Includes 17 Hose (1 Pack 21 oz Can)**Nisus**$31.36**4.1★262 rev](https://www.amazon.com/dp/B0BHKN39FF) [2**TERRO Drain Insect Killer 1-Pack Foam Treatment for Indoor Infestations**Terro**$16.01**4.2★1,134 rev](https://www.amazon.com/dp/B0F2VX1PRC) [3**Nisus - Nibor D - 1 lbs**Nisus**$16.14**4.4★59 rev](https://www.amazon.com/dp/B0CTS5GDNZ) [4**Nisus Nibor D Insecticide (5_Pound 30414)**Nisus**$43.80**4.5★220 rev](https://www.amazon.com/dp/B00GTVRFLG) [5**Green Gobbler Fruit Fly Goodbye Gel Drain Treatment | Killer Flies & Eliminator (1 Gallon)**Green Gobbler**$34.29**4.1★15,452 rev](https://www.amazon.com/dp/B07CVM269Q)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**TERRO Drain Insect Killer 1-Pack Foam Treatment for Indoor Infestations**Terro**$16.01**1,134 rev1y ago](https://www.amazon.com/dp/B0F2VX1PRC) [**Nibor-D Insecticide Foam with IGR Ready-to-Use for Fly and Cockroach Control 360 Degree Application Includes 17 Hose (6 Pack 21 oz Can)**Nisus**$162.68**262 rev1y ago](https://www.amazon.com/dp/B0F1DPQBXD) [**Nisus - Nibor D - 1 lbs**Nisus**$16.14**59 rev2y ago](https://www.amazon.com/dp/B0CTS5GDNZ) [**Fruit Fly Drain Treatment | Drain Fly Eliminator | All-Natural Eliminates Gnats Sewer Flies and More - Works in All Drains - 1 Gallon**Eco Strong**$34.86**4,779 rev3y ago](https://www.amazon.com/dp/B0BCP3VT97) [**Nibor-D Insecticide Foam with IGR Ready-to-Use for Fly and Cockroach Control 360 Degree Application Includes 17 Hose (1 Pack 21 oz Can)**Nisus**$31.36**262 rev3y ago](https://www.amazon.com/dp/B0BHKN39FF)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Nibor-D Insecticide Foam with IGR Ready-to-Use for Fly and Cockroach Control 360 Degree Application Includes 17 Hose (6 Pack 21 oz Can)**Nisus**$162.68**4.1★**▲ 17%**](https://www.amazon.com/dp/B0F1DPQBXD) [**Nibor-D Insecticide Foam with IGR Ready-to-Use for Fly and Cockroach Control 360 Degree Application Includes 17 Hose (1 Pack 21 oz Can)**Nisus**$31.36**4.1★**— 9%**](https://www.amazon.com/dp/B0BHKN39FF) [**TERRO Drain Insect Killer 1-Pack Foam Treatment for Indoor Infestations**Terro**$16.01**4.2★**— 6%**](https://www.amazon.com/dp/B0F2VX1PRC) [**Green Gobbler Fruit Fly Goodbye Gel Drain Treatment | Killer Flies & Eliminator (1 Gallon)**Green Gobbler**$34.29**4.1★**— 1%**](https://www.amazon.com/dp/B07CVM269Q) [**Fruit Fly Drain Treatment | Drain Fly Eliminator | All-Natural Eliminates Gnats Sewer Flies and More - Works in All Drains - 1 Gallon**Eco Strong**$34.86**4.2★**▼ 28%**](https://www.amazon.com/dp/B0BCP3VT97)
**~~View all trending →~~**
## **Common questions**
- **Is drain fly spray profitable to sell on Amazon United States?**
- The niche generates $601K/yr across 7 tracked products. 90-day search growth is +61.8%. Flapen's verdict: Worth a look (58/100).
- **How competitive is the drain fly spray niche?**
- 4 brands and 16 sellers compete. The top 5 products take 94% of clicks and top 5 brands hold 100% of demand.
- **What does it cost to enter the drain fly spray niche?**
- Listings span $16.01–$162.68; the average listing price is $48.45 (sweet spot $15–$100). The average incumbent carries 3,167 reviews — the moat a new listing must climb.
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