---
title: "18x22x1 Air Filter — $96K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/18x22x1-air-filter"
last_updated: "2026-08-08T06:57:53.836Z"
locale: en
meta:
description: "Niche score 46/100 · $96K/yr market · 32K searches/yr · $42.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $96K/yr market · 32K searches/yr · $42.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "18x22x1 Air Filter — $96K/yr Amazon US Niche (2026) - Flapen"
---
# **18x22x1 air filter**
**Skip it**
Brand-locked demand (top 5 brands take 99% of clicks) — this niche doesn't clear our bar today.
Market size 24Growth 69Conversion 75Competition 13Returns 97Price range 90Avg price 95Brand share 4Review moat 19Quality gap 21
**Returns**
**Incredible****0.7%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$42.08**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$12.03–$60.73**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****7.0%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Good****+49.9%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$96K**
$96K/yr · 32K searches
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****15,921**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****84%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****99%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 18x22x1 air filter is a $96K/yr Amazon United States market (32K searches/yr). The top 5 brands hold 99% of demand. Demand peaks in Jun–Jul. Verdict: Skip it — 46/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **18x22x1 air filter market data**
- **Units sold / yr**
- **3K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$105K–$126K**
- units × avg price
- **Conversion rate**
- **7.0%**
- **Avg BSR**
- **#115**
- **Page quality**
- **0%**
- **Prime**
- **18%**
- **Sponsored**
- **64%**
- **Out of stock**
- **0.5%**
- **Avg brand age**
- **84 months**
- **Avg seller age**
- **200 days**
## **Competition & brand share**
The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **—flat
**Sellers**
**10**
**Top-5 brand share**
**99%**
Top 20: 100%
**Top-5 click share**
**84%**
Top 20: 100%
**Open market**
**0%**
- Filterbuy44% - Filtrete31% - Filter King17% - SpiroPure4% - PRO SOURCE3% - Aerostar1%
## **Demand & seasonality**
Weekly Amazon search volume, last 101 weeks — +49.9% search growth over the last 90 days.
1K600Spike '25Holiday '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Jun, Jul · busiest ÷ quietest = 2.2×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/18x22x1-air-filter/trend)
## **Top 18x22x1 air filter search terms**
- **18x22x1 air filter**19K/yr+43.9%8.5% conv. - **air filter 18x22x1**5K/yr+62.9%4.9% conv. - **18x22x1 furnace filter**4K/yr+49.6%1.9% conv. - **furnace filters 18x22x1**4K/yr+61.0%1.2% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/18x22x1-air-filter/search-terms)
## **Top 18x22x1 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%$10K20%$19K30%$29K40%$38K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Filterbuy 18x22x1 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 17.75 x 21.75 x 0.75)**Filterbuy**$45.64**4.6★312 rev](https://www.amazon.com/dp/B00CJZ8E8Y) [2**Filtrete 18x22x1 AC Furnace Air Filter MPR 700 MERV 8 Tough on Pollen Easy on Airflow 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 2-Pack (Actual Size 17.69 x 21.69 x 0.81 in)**Filtrete**$26.10**4.7★740 rev](https://www.amazon.com/dp/B0F9LTCLWG) [3**Filter King 18x22x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 17.5 x 21.5 x .75)**Filter King**$52.30**4.7★2,030 rev](https://www.amazon.com/dp/B07HFG9VSJ) [4**Filterbuy 18x22x1 Air Filter MERV 8 Essential Dust & Allergy Defense (6-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 17.75 x 21.75 x 0.75)**Filterbuy**$50.51**4.7★51,098 rev](https://www.amazon.com/dp/B00CK01YYY) [5**Filtrete 18x22x1 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 17.69 x 21.69 x 0.81 in)**Filtrete**$43.02**4.7★6,265 rev](https://www.amazon.com/dp/B0DMTJ571X)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Filtrete 18x22x1 AC Furnace Air Filter MPR 700 MERV 8 Tough on Pollen Easy on Airflow 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 2-Pack (Actual Size 17.69 x 21.69 x 0.81 in)**Filtrete**$26.10**740 rev1y ago](https://www.amazon.com/dp/B0F9LTCLWG) [**Pro- Source 18 x 22 x 1 Nominal MERV 8 35% Efficiency Wire-Backed Pleated Air Filter HVAC AC Furnance Replacement**PRO SOURCE**$12.03**3 rev1y ago](https://www.amazon.com/dp/B0F94DPSDC) [**Filtrete 18x22x1 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 17.69 x 21.69 x 0.81 in)**Filtrete**$43.02**6,265 rev1y ago](https://www.amazon.com/dp/B0DMTJ571X) [**SpiroPure 18x22x1 MERV 8 Pleated Air Filters AC Furnace HVAC Filter 6 Pack**SpiroPure**$50.57**162 rev6y ago](https://www.amazon.com/dp/B07R9TVX2Z) [**Filter King 18x22x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 17.5 x 21.5 x .75)**Filter King**$52.30**2,030 rev7y ago](https://www.amazon.com/dp/B07HFG9VSJ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Filter King 18x22x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 17.5 x 21.5 x .75)**Filter King**$52.30**4.7★**▲ 127%**](https://www.amazon.com/dp/B07HFG9VSJ) [**Pro- Source 18 x 22 x 1 Nominal MERV 8 35% Efficiency Wire-Backed Pleated Air Filter HVAC AC Furnance Replacement**PRO SOURCE**$12.03**5.0★**▲ 74%**](https://www.amazon.com/dp/B0F94DPSDC) [**Filterbuy 18x22x1 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 17.75 x 21.75 x 0.75)**Filterbuy**$45.64**4.6★**▲ 30%**](https://www.amazon.com/dp/B00CJZ8E8Y) [**SpiroPure 18x22x1 MERV 8 Pleated Air Filters AC Furnace HVAC Filter 6 Pack**SpiroPure**$50.57**4.7★**▲ 19%**](https://www.amazon.com/dp/B07R9TVX2Z) [**Filtrete 18x22x1 AC Furnace Air Filter MPR 700 MERV 8 Tough on Pollen Easy on Airflow 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 2-Pack (Actual Size 17.69 x 21.69 x 0.81 in)**Filtrete**$26.10**4.7★**— 10%**](https://www.amazon.com/dp/B0F9LTCLWG)
**~~View all trending →~~**
## **What buyers say about 18x22x1 air filter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Filtration**50%
*“Good filters”*
**Quality-Overall**40%
*“Product is good quality”*
**Value For Money**10%
*“Good and affordable choice”*
### **What buyers complain about **
**Material Quality**33%
*“The filter materials are flimsy and thin, they're not worth the price being charged”*
**Filtration**33%
*“The filters came bent up even though they were in a box”*
**Strength**33%
*“Flimsy”*
### **Top return reasons **
**Size-Overall**85%
**Filtration**9%
**Compatibility-Overall**4%
**Measurement/Reading Accuracy**1%
**Advertised Vs Actual Product**1%
## **Common questions**
- **Is 18x22x1 air filter profitable to sell on Amazon United States?**
- The niche generates $96K/yr across 11 tracked products. 90-day search growth is +49.9%. Flapen's verdict: Skip it (46/100).
- **How competitive is the 18x22x1 air filter niche?**
- 6 brands and 10 sellers compete. The top 5 products take 84% of clicks and top 5 brands hold 99% of demand.
- **What do buyers complain about in 18x22x1 air filter?**
- Top complaints mined from reviews: Material Quality, Filtration, Strength. The return rate is 0.7%.
- **When does demand for 18x22x1 air filter peak?**
- Demand peaks in Jun–Jul; the busiest month runs 2.2× the quietest.
- **What does it cost to enter the 18x22x1 air filter niche?**
- Listings span $12.03–$60.73; the average listing price is $42.08 (sweet spot $15–$100). The average incumbent carries 15,921 reviews — the moat a new listing must climb.
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