20x20x1 air filter
Launch itA $14.4M/yr market growing +28.6% this quarter with returns at 0.8% — clears our launch bar.
Market size
Incredible$14.4M$14.4M/yr · 2.9M searches
Conversion
Incredible14.2%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Avg price
Incredible$35.48avg listing price — sweet spot $15–$100
Price range
Incredible$22.43–$54.52cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+28.6%90-day search growth — must beat 0% to launch
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Brand share
Bad91%top-5 brand share — brand-locked demand
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Review moat
Bad27,637.06avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, 20x20x1 air filter is a $14.4M/yr Amazon United States market (2.9M searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Jul. Verdict: Launch it — 61/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
20x20x1 air filter market data
- Units sold / yr
- 400K–500K
- avg 15,000–20,000/product
- Revenue / yr
- $14.2M–$17.7M
- units × avg price
- Conversion rate
- 14.2%
- Avg BSR
- #14
- Page quality
- 0%
- Prime
- 88%
- Sponsored
- 94%
- Out of stock
- 0.0%
- Avg brand age
- 55 months
- Avg seller age
- 158 days
Competition & brand share
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.Brands
8 falling
Sellers
39
Top-5 brand share
91%
Top 20: 100%
Top-5 click share
69%
Top 20: 100%
Open market
4%
- Amazon Basics28%
- Filtrete23%
- Simply17%
- Filterbuy13%
- Aerostar10%
- BNX4%
- Open — no brand owns it (2 brands, 4%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +28.6% search growth over the last 90 days.Peak months: Jul · busiest ÷ quietest = 1.8×
Top 20x20x1 air filter search terms
- 20x20x1 air filter1.3M/yr
- air filter 20x20x1456K/yr
- ac filter 20x20x1154K/yr
- air filters 20x20x1116K/yr
- 20 x 20 x 1 air filters for home110K/yr
- furnace filters 20x20x1117K/yr
- 20x20x1 air filter 6 pack70K/yr
- filtrete 20x20x183K/yr
- filters 20x20x1104K/yr
- 20x20x155K/yr
Top 20x20x1 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
Amazon Basics 20x20x1 Air Filter 6-Pack MERV 11 AC Furnace Filters Dust Pet Allergy Control Electrostatic (Actual Size: 19.75 x 19.75 x .75)
Amazon Basics$35.194.6★17,081 rev

Simply 20x20x1 Air Filter Merv 8 MPR 600 6 Pack Furnace Air Filter for HVAC (Actual Size: 19.75x19.75x0.75) DUST Pet & Allergy Control
Simply$32.684.7★53,363 rev

Filtrete 20x20x1 Air Filter MERV 5 6-Pack AC Furnace HVAC MPR 300 Basic Dust Defense Pleated Electrostatic Removes Lint
Filtrete$37.494.7★160,547 rev

Filterbuy 20x20x1 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.50 x 19.50 x 0.75)
Filterbuy$28.644.7★16,116 rev

Aerostar 20x20x1 MERV 8 Air Filter 6 Count ACTUAL SIZE (19.75 x 19.75 x 0.75) HVAC Air Conditioning & Furnace Filter Captures Dust Lint & Pollen (MPR 600 / FPR 5) Made in USA
Aerostar$32.514.7★12,025 rev
Newest
by launch date
Amazon Basics MERV 5 AC Furnace Air Filter 20x20x1 inches 6-Pack (Actual size: 19.75 x 19.75 x 0.75)
Amazon Basics$29.4917,081 rev

TRIGHTFILTERS 20x20x1 Air Filter 2 Pack Durable MERV 8 Pleated Home HVAC AC Furnace Filters Lightweight Compact Air Conditioner Filter Replacement
TRIGHTFILTERS$22.431,395 rev

BNX TruFilter 20x20x1 Air Filter MERV 11 (6-Pack) - MADE IN USA - Allergen Defense Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies Dust Pet Smoke Allergy MPR 1200 FPR 7
BNX$43.876,309 rev

BNX TruFilter 20x20x1 Air Filter MERV 8 (6-Pack) - MADE IN USA Dust & Pet Defense Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Dust Pet Mold Pollen MPR 600 700 & FPR 5
BNX$40.70883 rev

Filtrete 20x20x1 AC Furnace Air Filter MERV 8 MPR 700 Tough on Pollen Easy on Airflow 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 4-Pack (Actual Size 19.880 x 19.880 x 0.78 in)
Filtrete$42.836,265 rev
Trending
90-day click momentum
Filtrete 20x20x1 Air Filter MERV 13 MPR 1900 Allergens Bacteria Viruses & Air Pollutants 3-Month AC/Furnace Filters Cleaner Air Reliable Airflow 2 HVAC Filters(Act Size 19.62x19.62x0.78 in)
Filtrete$29.754.8★

Amazon Basics MERV 5 AC Furnace Air Filter 20x20x1 inches 6-Pack (Actual size: 19.75 x 19.75 x 0.75)
Amazon Basics$29.494.6★

TRIGHTFILTERS 20x20x1 Air Filter 2 Pack Durable MERV 8 Pleated Home HVAC AC Furnace Filters Lightweight Compact Air Conditioner Filter Replacement
TRIGHTFILTERS$22.434.8★

Filterbuy 20x20x1 Air Filter MERV 8 Essential Dust & Allergy Defense (6-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.50 x 19.50 x 0.75)
Filterbuy$35.414.7★

Filtrete 20x20x1 Air Filter MERV 5 6-Pack AC Furnace HVAC MPR 300 Basic Dust Defense Pleated Electrostatic Removes Lint
Filtrete$37.494.7★
What buyers say about 20x20x1 air filter
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent Filters”
“Decent price”
“Excellent product”
“Fit great”
“As advertised”
“Effective”
“Easy installation”
“Fairly sturdy two sided support”
“Easy to use”
“Seriously though, durable”
What buyers complain about
“Terrible filtration”
“Overpriced for the Quality”
“Returning wrong size”
“Not sturdy”
“seem a bit pricey”
“They are loud”
“After 2 days, the filter frame folded and got pulled up out of position”
“Filter is too thick”
“Not as described”
“I went through two trying to install them”
Top return reasons
Common questions
- Is 20x20x1 air filter profitable to sell on Amazon United States?
- The niche generates $14.4M/yr across 17 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +28.6%. Flapen's verdict: Launch it (61/100).
- How competitive is the 20x20x1 air filter niche?
- 8 brands and 39 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 91% of demand.
- What do buyers complain about in 20x20x1 air filter?
- Top complaints mined from reviews: Filtration, Quality-Overall, Size-Overall. The return rate is 0.8%.
- When does demand for 20x20x1 air filter peak?
- Demand peaks in Jul; the busiest month runs 1.8× the quietest.
- What does it cost to enter the 20x20x1 air filter niche?
- Listings span $22.43–$54.52; the average listing price is $35.48 (sweet spot $15–$100). The average incumbent carries 27,637 reviews — the moat a new listing must climb.