20x25x4 air filter merv 11
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Great1.3%return rate — above 5% kills the launch gate
Conversion
Great10.5%search→purchase rate — share of searches ending in a sale
Avg price
Great$77.56avg listing price — sweet spot $15–$100
Price range
Good$35.11–$130.14cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+27.9%90-day search growth — must beat 0% to launch
Market size
Okay$268K$268K/yr · 33K searches
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad5,186.62avg incumbent reviews — the moat a new listing must climb
Competition
Bad76%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 20x25x4 air filter merv 11 is a $268K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Oct–Nov. Verdict: Skip it — 48/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
20x25x4 air filter merv 11 market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $233K–$310K
- units × avg price
- Conversion rate
- 10.5%
- Avg BSR
- #82
- Page quality
- 0%
- Prime
- 54%
- Sponsored
- 85%
- Out of stock
- 3.9%
- Avg brand age
- 51 months
- Avg seller age
- 184 days
Competition & brand share
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
39
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
76%
Top 20: 100%
Open market
0%
- Filtrete48%
- Filterbuy23%
- Simply20%
- Honeywell7%
- Wholesalehome3%
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — +27.9% search growth over the last 90 days.Peak months: Oct, Nov · busiest ÷ quietest = 4.2×
Top 20x25x4 air filter merv 11 search terms
- 20x25x4 air filter merv 1120K/yr
- merv 11 20x25x48K/yr
- 20x25x4 merv 115K/yr
Top 20x25x4 air filter merv 11 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 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Filtrete 20x25x4 Air Filter MERV 11 MPR 1000 Micro Allergen Defense 2-Pack Fits Honeywell & AprilAire AC Furnace HVAC Filters for Home Pleated Electrostatic (Actual Size 19.88 x 24.63 x 4.31 in)
Filtrete$44.904.7★1,983 rev
Filtrete 20x25x4 Air Filter MERV 11 MPR 1000 Micro Allergen Defense 4-Pack Fits Honeywell & AprilAire AC Furnace HVAC Filters for Home Pleated Electrostatic (Actual Size 19.88 x 24.63 x 4.31 in)
Filtrete$82.594.6★4,889 rev
Filterbuy 20x25x4 Air Filter MERV 11 Superior Pet & Allergy Defense (2-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.50 x 24.50 x 3.63)
Filterbuy$48.894.5★20,405 rev
Simply 20x25x4 Air Filter MERV 11 6 Pack Furnace Air Filter for HVAC (Actual Size:19.5x24.5x3.63) DUST Pet & Allergy Control
Simply$77.084.6★6,555 rev
Filterbuy 20x25x4 Air Filter MERV 11 Superior Pet & Allergy Defense (4-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.50 x 24.50 x 3.63)
Filterbuy$89.794.6★23,863 rev
Newest
by launch date
20x25x4 Air Filter Replacement MERV 11 FC100A1037 Pleated HVAC AC Furnace Filters with Wholesalehome Cleaning Cloth 2-Pack (Actual Size: 19.94 x 24.88 x 4.38 Inches)
Wholesalehome$70.5248 rev
Simply 20x25x4 Air Filter MERV 11 6 Pack Furnace Air Filter for HVAC (Actual Size:19.5x24.5x3.63) DUST Pet & Allergy Control
Simply$77.086,555 rev
Simply 20x25x4 Air Filter MERV 11 2 Pack Furnace Air Filter for HVAC (Actual Size:19.5x24.5x3.63) DUST Pet & Allergy Control
Simply$35.11105 rev
Simply 20x25x4 Air Filter MERV 11 4 Pack Furnace Air Filter for HVAC (Actual Size:19.5x24.5x3.63) DUST Pet & Allergy Control
Simply$65.12182 rev
Honeywell FC100A1037 (2 Pack) - 20 x 25 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder
Honeywell$66.60258 rev
Trending
90-day click momentumHoneywell FC100A1037 (2 Pack) - 20 x 25 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder
Honeywell$66.604.8★
20x25x4 Air Filter Replacement MERV 11 FC100A1037 Pleated HVAC AC Furnace Filters with Wholesalehome Cleaning Cloth 2-Pack (Actual Size: 19.94 x 24.88 x 4.38 Inches)
Wholesalehome$70.524.7★
Simply 20x25x4 Air Filter MERV 11 4 Pack Furnace Air Filter for HVAC (Actual Size:19.5x24.5x3.63) DUST Pet & Allergy Control
Simply$65.124.6★
Simply 20x25x4 Air Filter MERV 11 2 Pack Furnace Air Filter for HVAC (Actual Size:19.5x24.5x3.63) DUST Pet & Allergy Control
Simply$35.114.5★
Filtrete 20x25x4 Air Filter MERV 12 MPR 1550 Certified Asthma & Allergy Friendly 2-Pack Fits Honeywell & AprilAire AC Furnace HVAC Filters Pleated Electrostatic (Actual Size 19.88x24.63x4.31 in)
Filtrete$49.684.6★
What buyers say about 20x25x4 air filter merv 11
What buyers praise and complain about, mined from review topics.What buyers love
“Fair price”
“Strong filter”
“Right size and price”
“As advertised”
“Seems to be a good quality filter”
“Easy”
“Super sturdy construction and caught so much dust from entering our ducts”
“do a great job capturing dust”
“are very easy to install”
“Worked well for our systmen”
What buyers complain about
“Doesn't fit”
“One of the furnace filters was damaged”
“I just wish they were cheaper”
“Not 4 thick”
“Spend a couple of bucks more for a better product”
“These are not 20x25x4 this is false advertising”
“no way it will cool a whole room”
“Does not fit correctly or as well as OEM Honeywell”
“rip while installing the first one”
“Amazon Resale came through”
Top return reasons
Common questions
- Is 20x25x4 air filter merv 11 profitable to sell on Amazon United States?
- The niche generates $268K/yr across 13 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +27.9%. Flapen's verdict: Skip it (48/100).
- How competitive is the 20x25x4 air filter merv 11 niche?
- 5 brands and 39 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in 20x25x4 air filter merv 11?
- Top complaints mined from reviews: Size-Overall, Filtration, Value For Money. The return rate is 1.3%.
- When does demand for 20x25x4 air filter merv 11 peak?
- Demand peaks in Oct–Nov; the busiest month runs 4.2× the quietest.
- What does it cost to enter the 20x25x4 air filter merv 11 niche?
- Listings span $35.11–$130.14; the average listing price is $77.56 (sweet spot $15–$100). The average incumbent carries 5,187 reviews — the moat a new listing must climb.