---
title: "17.5x23.5x1 Air Filter — $164K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/17-5x23-5x1-air-filter"
last_updated: "2026-08-08T07:58:13.715Z"
locale: en
meta:
description: "Niche score 47/100 · $164K/yr market · 44K searches/yr · $44.82 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $164K/yr market · 44K searches/yr · $44.82 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "17.5x23.5x1 Air Filter — $164K/yr Amazon US Niche (2026) - Flapen"
---
# **17.5x23.5x1 air filter**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 34Growth 70Conversion 80Competition 8Returns 97Price range 95Avg price 95Brand share 0Review moat 20Quality gap 18
**Returns**
**Incredible****0.7%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$44.82**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$33.39–$69.49**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****8.3%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Good****+52.5%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$164K**
$164K/yr · 44K searches
**Review moat**
**Bad****13,732.11**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****91%**
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, 17.5x23.5x1 air filter is a $164K/yr Amazon United States market (44K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jun–Jul. Verdict: Skip it — 47/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **17.5x23.5x1 air filter market data**
- **Units sold / yr**
- **4K–5K**
- avg 250–500/product
- **Revenue / yr**
- **$179K–$224K**
- units × avg price
- **Conversion rate**
- **8.3%**
- **Avg BSR**
- **#107**
- **Page quality**
- **0%**
- **Prime**
- **33%**
- **Sponsored**
- **67%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **84 months**
- **Avg seller age**
- **209 days**
## **Competition & brand share**
The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **—flat
**Sellers**
**14**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**91%**
Top 20: 100%
**Open market**
**0%**
- Filterbuy41% - Filtrete37% - Filter King22%
## **Demand & seasonality**
Weekly Amazon search volume, last 101 weeks — +52.5% search growth over the last 90 days.
1K750Spike '24Spike '25Prime Day '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Jun, Jul · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/17-5x23-5x1-air-filter/trend)
## **Top 17.5x23.5x1 air filter search terms**
- **17.5x23.5x1 air filter**19K/yr+50.5%8.6% conv. - **air filter 17.5x23.5x1**9K/yr+50.9%7.5% conv. - **ac filter 17.5 x 23.5 x 1**5K/yr+51.0%13.3% conv. - **furnace filters 17.5x23.5x1**4K/yr+69.8%0.6% conv. - **17.5x23.5x1 furnace filter**3K/yr+80.7%0.1% conv. - **17.5 x 23.5 x 1 air filter**4K/yr+28.6%11.1% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/17-5x23-5x1-air-filter/search-terms)
## **Top 17.5x23.5x1 air filter 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%$16K20%$33K30%$49K40%$66K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Filtrete 17.5x23.5x1 Air Filter MERV 11 MPR 1000 Allergens & Pet Dander 3-Month AC and Furnace Filters Cleaner Air Reliable Airflow 4 HVAC Filters (Actual Size 17.18 x 23.18 x 0.81 in)**Filtrete**$42.31**4.8★25,454 rev](https://www.amazon.com/dp/B001ETX3B4) [2**Filterbuy 17.5x23.5x1 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 17.38 x 23.38 x 0.75)**Filterbuy**$37.23**4.6★651 rev](https://www.amazon.com/dp/B00CJZ89J8) [3**Filter King 17.5x23.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 17.5 x 23.5 x .75)**Filter King**$37.69**4.7★4,436 rev](https://www.amazon.com/dp/B0BMH15NX8) [4**Filterbuy 17.5x23.5x1 Air Filter MERV 8 Essential Dust & Allergy Defense (6-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 17.38 x 23.38 x 0.75)**Filterbuy**$43.60**4.7★51,098 rev](https://www.amazon.com/dp/B00CK01TIK) [5**Filter King 17.5x23.5x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 17.5 x 23.5 x .75)**Filter King**$33.39**4.7★30 rev](https://www.amazon.com/dp/B0BV4QFHMZ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Filtrete 17.5x23.5x1 AC Furnace Air Filter MPR 700 MERV 8 Tough on Pollen Easy on Airflow 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 4-Pack (Actual Size 17.19 x 23.19 x 0.81 in)**Filtrete**$45.63**6,265 rev1y ago](https://www.amazon.com/dp/B0F9LTNNM7) [**Filter King 17.5x23.5x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 17.5 x 23.5 x .75)**Filter King**$33.39**30 rev3y ago](https://www.amazon.com/dp/B0BV4QFHMZ) [**Filter King 17.5x23.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 17.5 x 23.5 x .75)**Filter King**$37.69**4,436 rev3y ago](https://www.amazon.com/dp/B0BMH15NX8) [**Filtrete 17.5x23.5x1 AC Furnace Air Filter MERV 11 MPR 1000 Micro Allergen Defense 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 6 Pack (Actual Size Pack 17.19x23.19x0.81 in)**Filtrete**$69.49**11,774 rev8y ago](https://www.amazon.com/dp/B07FNQT8VK) [**Filterbuy 17.5x23.5x1 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 17.38 x 23.38 x 0.75)**Filterbuy**$37.23**651 rev13y ago](https://www.amazon.com/dp/B00CJZ89J8)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Filter King 17.5x23.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 17.5 x 23.5 x .75)**Filter King**$37.69**4.7★**▲ 59%**](https://www.amazon.com/dp/B0BMH15NX8) [**Filter King 17.5x23.5x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 17.5 x 23.5 x .75)**Filter King**$33.39**4.7★**▲ 59%**](https://www.amazon.com/dp/B0BV4QFHMZ) [**Filtrete 17.5x23.5x1 AC Furnace Air Filter MERV 11 MPR 1000 Micro Allergen Defense 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 6 Pack (Actual Size Pack 17.19x23.19x0.81 in)**Filtrete**$69.49**4.8★**▲ 23%**](https://www.amazon.com/dp/B07FNQT8VK) [**Filterbuy 17.5x23.5x1 Air Filter MERV 11 Superior Pet & Allergy Defense (4-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 17.38 x 23.38 x 0.75)**Filterbuy**$42.00**4.6★**▲ 21%**](https://www.amazon.com/dp/B00CJZA35Q) [**Filtrete 17.5x23.5x1 Air Filter MERV 11 MPR 1000 Allergens & Pet Dander 3-Month AC and Furnace Filters Cleaner Air Reliable Airflow 4 HVAC Filters (Actual Size 17.18 x 23.18 x 0.81 in)**Filtrete**$42.31**4.8★**— 5%**](https://www.amazon.com/dp/B001ETX3B4)
**~~View all trending →~~**
## **What buyers say about 17.5x23.5x1 air filter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**25%
*“Amazon has the best price”*
**Durability**25%
*“Long lasting”*
**Quality-Overall**13%
*“High Quality”*
**Filtration**13%
*“Good quality filter”*
**Efficiency**13%
*“Work well”*
**Size-Overall**13%
*“fit as they should”*
### **What buyers complain about **
**Size-Overall**100%
*“would not send the filter size that was requested”*
### **Top return reasons **
**Size-Overall**80%
**Filtration**5%
**Compatibility-Overall**5%
**Advertised Vs Actual Product**2%
**Value For Money**2%
**Storage Capacity**1%
**Functionality-Overall**1%
**Quality-Overall**1%
**Weight Heavy**1%
**Durability**1%
## **Common questions**
- **Is 17.5x23.5x1 air filter profitable to sell on Amazon United States?**
- The niche generates $164K/yr across 9 tracked products. 90-day search growth is +52.5%. Flapen's verdict: Skip it (47/100).
- **How competitive is the 17.5x23.5x1 air filter niche?**
- 3 brands and 14 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in 17.5x23.5x1 air filter?**
- Top complaints mined from reviews: Size-Overall. The return rate is 0.7%.
- **When does demand for 17.5x23.5x1 air filter peak?**
- Demand peaks in Jun–Jul; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the 17.5x23.5x1 air filter niche?**
- Listings span $33.39–$69.49; the average listing price is $44.82 (sweet spot $15–$100). The average incumbent carries 13,732 reviews — the moat a new listing must climb.
## **Related niches in Tools & Home Improvement**
- 73 [**solar outdoor lights**](https://flapen.com/research/us/tools-home-improvement/solar-outdoor-lights)$30.2M/yr+39.8%**Launch it**- 73 [**shower lamp**](https://flapen.com/research/us/tools-home-improvement/shower-lamp)$2.8M/yr+30.2%**Launch it**- 73 [**solar flowers**](https://flapen.com/research/us/tools-home-improvement/solar-flowers)$607K/yr+52.0%**Worth a look**- 73 [**american flag lights**](https://flapen.com/research/us/tools-home-improvement/american-flag-lights)$465K/yr+736.5%**Worth a look**- 73 [**solar fairy lights**](https://flapen.com/research/us/tools-home-improvement/solar-fairy-lights)$3.5M/yr+64.6%**Launch it**- 73 [**solar watering can with cascading lights**](https://flapen.com/research/us/tools-home-improvement/solar-watering-can-with-cascading-lights)$304K/yr+124.3%**Worth a look**[**All Tools & Home Improvement niches **](https://flapen.com/research/us/tools-home-improvement)