25x25x1 air filter
Worth a lookShows low returns (0.9%), but strong incumbent ratings (4.7★) keeps it on the watch list.
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Price range
Incredible$33.78–$93.07cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$53.61avg listing price — sweet spot $15–$100
Conversion
Great9.1%search→purchase rate — share of searches ending in a sale
Market size
Good$602K$602K/yr · 124K searches
Growth
Good+32.5%90-day search growth — must beat 0% to launch
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Brand share
Bad90%top-5 brand share — brand-locked demand
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Review moat
Bad12,179.59avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, 25x25x1 air filter is a $602K/yr Amazon United States market (124K searches/yr). The top 5 brands hold 90% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 55/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
25x25x1 air filter market data
- Units sold / yr
- 10K–13K
- avg 500–750/product
- Revenue / yr
- $536K–$670K
- units × avg price
- Conversion rate
- 9.1%
- Avg BSR
- #150
- Page quality
- 0%
- Prime
- 59%
- Sponsored
- 76%
- Out of stock
- 0.0%
- Avg brand age
- 71 months
- Avg seller age
- 176 days
Competition & brand share
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.Brands
9 falling
Sellers
35
Top-5 brand share
90%
Top 20: 100%
Top-5 click share
69%
Top 20: 100%
Open market
6%
- Filtrete43%
- Filterbuy29%
- Amazon Basics10%
- Filter King5%
- Simply4%
- EZ Flow4%
- Open — no brand owns it (3 brands, 6%)
Demand & seasonality
Weekly Amazon search volume, last 102 weeks — +32.5% search growth over the last 90 days.Peak months: Jun, Jul · busiest ÷ quietest = 1.8×
Top 25x25x1 air filter search terms
- 25x25x1 air filter70K/yr
- air filter 25x25x114K/yr
- 25 x 25 x 1 air filters for home12K/yr
- 25x25x1 furnace filter11K/yr
- furnace filters 25x25x17K/yr
- 25x25x13K/yr
- 25x25 air filter3K/yr
- air filters 25x25x13K/yr
Top 25x25x1 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.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Filtrete 25x25x1 Air Filter MERV 8 MPR 700 Dust Pollen & Pet Dander Reduction 3-Month AC and Furnace Filter Easy on Air Flow 6 HVAC Filters (Actual Size 24.81 x 24.81 x 0.81 in)
Filtrete$39.574.6★627 rev
Filterbuy 25x25x1 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 24.50 x 24.50 x 0.75)
Filterbuy$44.274.6★883 rev
Filterbuy 25x25x1 Air Filter MERV 8 Essential Dust & Allergy Defense (6-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 24.50 x 24.50 x 0.75)
Filterbuy$50.124.7★51,098 rev
Amazon Basics 20x25x1 Air Filter 6-Pack MERV 8 AC Furnace Filters Removes Dust Electrostatic Allergy Control (Actual Size: 19.75 x 24.75 x 0.75)
Amazon Basics$33.784.6★17,081 rev
Filtrete 25x25x1 AC Furnace Air Filter MERV 11 MPR 1000 Micro Allergen Defense 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 4 Pack (Actual Size 4-Pack 24.688x24.688x0.813 in)
Filtrete$47.134.8★25,454 rev
Newest
by launch date
Reair 25x25x1 Air filter Washable and Reusable Air Filter 25x25x1 for AC HVAC Furnace MERV 8 Air Filters Machine Washable & Dryer Friendly AC Furnace Air Filter
REAIR$36.621,886 rev
Simply 25x25x1 Air Filter MERV 8 12 Pack For Home AC Furnace & HVAC (Actual Size: 24.75x24.75x0.75) DUST Pet & Allergy Control
Simply$77.23491 rev
Filtrete 25x25x1 Air Filter MERV 8 MPR 700 Dust Pollen & Pet Dander Reduction 3-Month AC and Furnace Filter Easy on Air Flow 6 HVAC Filters (Actual Size 24.81 x 24.81 x 0.81 in)
Filtrete$39.57627 rev
Filtrete 25x25x1 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 24.81 x 24.81 x 0.81 in)
Filtrete$42.416,265 rev
Filtrete 25x25x1 AC Furnace Air Filter MERV 11 MPR 1000 Micro Allergen Defense 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 4 Pack (Actual Size 4-Pack 24.688x24.688x0.813 in)
Filtrete$47.1325,454 rev
Trending
90-day click momentum
Filter King 25x25x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 24.5 x 24.5 x .75)
Filter King$49.484.7★
Simply 25x25x1 Air Filter Merv 8 6 Pack For Home AC Furnace & HVAC (Actual Size: 24.75x24.75x0.75) DUST Pet & Allergy Control
Simply$51.564.7★
Reair 25x25x1 Air filter Washable and Reusable Air Filter 25x25x1 for AC HVAC Furnace MERV 8 Air Filters Machine Washable & Dryer Friendly AC Furnace Air Filter
REAIR$36.624.5★
Filterbuy 25x25x1 Air Filter MERV 11 Superior Pet & Allergy Defense (6-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 24.50 x 24.50 x 0.75)
Filterbuy$62.564.7★
Flanders Air Filter EZ Flow II - Fiberglass MERV 4 25x25x1 Panel - 25 in H x 25 in W x 1 in D
EZ Flow$56.414.7★
What buyers say about 25x25x1 air filter
What buyers praise and complain about, mined from review topics.What buyers love
“GOOD PRICE”
“These filters seem to do the job well”
“Good quality”
“Fits great”
“As advertised”
“Very sturdy and easy to install”
“Works great”
“Easy”
“Cleans our dirty office air well at an affordable price”
“Flow works great”
What buyers complain about
“Does not filter”
“the low build quality”
“slightly smaller”
“Very flimsy”
“they are super thin”
“They are SO LOUD in my intake”
“Not the exact measurement”
“It will cost you a lot more in the long run”
“They dont last long before having issues of getting dirty and clogging system”
“Misleading advertisement”
Top return reasons
Common questions
- Is 25x25x1 air filter profitable to sell on Amazon United States?
- The niche generates $602K/yr across 17 tracked products. 90-day search growth is +32.5%. Flapen's verdict: Worth a look (55/100).
- How competitive is the 25x25x1 air filter niche?
- 9 brands and 35 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 90% of demand.
- What do buyers complain about in 25x25x1 air filter?
- Top complaints mined from reviews: Filtration, Quality-Overall, Size-Overall. The return rate is 0.9%.
- When does demand for 25x25x1 air filter peak?
- Demand peaks in Jun–Jul; the busiest month runs 1.8× the quietest.
- What does it cost to enter the 25x25x1 air filter niche?
- Listings span $33.78–$93.07; the average listing price is $53.61 (sweet spot $15–$100). The average incumbent carries 12,180 reviews — the moat a new listing must climb.