Is 20x20x2 air filter profitable to sell on Amazon United States?

The niche generates $695K/yr across 16 tracked products. 90-day search growth is +49.9%. Flapen's verdict: Worth a look (57/100).

How competitive is the 20x20x2 air filter niche?

8 brands and 12 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 92% of demand.

What do buyers complain about in 20x20x2 air filter?

Top complaints mined from reviews: Filtration, Value For Money, Size-Overall. The return rate is 0.1%.

When does demand for 20x20x2 air filter peak?

Demand peaks in Jun–Jul; the busiest month runs 1.8× the quietest.

What does it cost to enter the 20x20x2 air filter niche?

Listings span $33.59–$84.87; the average listing price is $55.00 (sweet spot $15–$100). The average incumbent carries 11,982 reviews — the moat a new listing must climb.

20x20x2 air filter

Worth a look

Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Price range

Incredible$33.59–$84.87

cheapest to priciest tracked listing — scored on the share inside $15–$100

Avg price

Great$55.00

avg listing price — sweet spot $15–$100

Conversion

Great8.2%

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

Good$695K

$695K/yr · 155K searches

Competition

Okay66%

top-5 click share — leaders hold, buyers still browse

Review moat

Bad11,982.25

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad92%

top-5 brand share — brand-locked demand

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Signals High Price

According to Flapen's Amazon United States niche tracking, 20x20x2 air filter is a $695K/yr Amazon United States market (155K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 57/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

20x20x2 air filter market data

Units sold / yr: 15K–20K; avg 1,000–1,250/product
Revenue / yr: $825K–$1.1M; units × avg price
Conversion rate: 8.2%
Avg BSR: #69
Page quality: 0%
Prime: 38%
Sponsored: 100%
Out of stock: 4.5%
Avg brand age: 58 months
Avg seller age: 177 days

Competition & brand share

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 flat

Sellers

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

66%

Top 20: 100%

Open market

Filter King35%
Filterbuy31%
Filtrete13%
Simply10%
Glasfloss4%
BNX3%
Open — no brand owns it (2 brands, 5%)

Demand & seasonality

Weekly Amazon search volume, last 102 weeks — +49.9% search growth over the last 90 days.

Peak months: Jun, Jul · busiest ÷ quietest = 1.8×

Open Trend

Top 20x20x2 air filter search terms

20x20x2 air filter95K/yr +55.6%9.2% conv.
20x20x212K/yr +48.1%10.7% conv.
air filter 20x20x210K/yr +45.8%10.6% conv.
ac filter 20x20x26K/yr +81.5%5.0% conv.
20x20x2 furnace filter8K/yr +9.6%5.1% conv.
furnace filters 20x20x26K/yr +52.1%5.3% conv.
20 x 20 x 2 air filter6K/yr +32.7%10.7% conv.
furnace filter 20x20x25K/yr +52.5%2.4% conv.
20x20x2 filter3K/yr +27.7%9.2% conv.
air filters 20x20x22K/yr +44.5%14.0% conv.

All search terms

Top 20x20x2 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 16 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Filterbuy 20x20x2 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 1.75)

Filterbuy$48.594.7★1,400 rev

Filter King 20x20x2 Air Filter (MERV 8) (12-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 19.5 x 1.75)

Filter King$84.874.7★589 rev

Filter King 20x20x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 19.5 x 1.75)

Filter King$44.424.6★3,373 rev

Filtrete 20x20x2 AC Furnace Air Filter MERV 11 MPR 1000 Allergen Defense 3-Month Pleated 2-Inch Electrostatic Air Cleaning Filter 4 Pack (Actual Size 19.5 x 19.5 x 1.75 in)

Filtrete$55.844.8★773 rev

Filterbuy 20x20x2 Air Filter MERV 13 Optimal Smoke & Allergy Defense (4-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.50 x 19.50 x 1.75)

Filterbuy$58.664.6★21,899 rev

Newest

by launch date

Simply 20x20x2 Air Filter MERV 8 6 Pack Furnace Air Filter for HVAC (Actual Size:19.5x19.5x1.75) DUST Pet & Allergy Control

Simply$46.0853,363 rev

2y ago

Simply 20x20x2 Air Filter MERV 8 4 Pack Furnace Air Filter for HVAC (Actual Size:19.5x19.5x1.75) DUST Pet & Allergy Control

Simply$38.055,182 rev

2y ago

MANN+HUMMEL 20x20x2 MERV 8 Pleated 2 AC Furnace Air Filter. Case of 12

MANN+HUMMEL$84.5513 rev

2y ago

MANN+HUMMEL 20x20x2 MERV 8 Pleated 2 AC Furnace Air Filter. 4 Pack

MANN+HUMMEL$40.19437 rev

2y ago

BNX TruFilter 20x20x2 Air Filter MERV 13 (4-Pack) - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies Pollen Mold Bacteria Smoke Allergen MPR 1900 FPR 10

BNX$59.5082 rev

2y ago

What buyers say about 20x20x2 air filter

What buyers praise and complain about, mined from review topics.

What buyers love

Filtration33%

“Decent filters”

Quality-Overall30%

“Excellent filters”

Size-Overall15%

“Fit fine”

Durability5%

“We have been using these for years”

Value For Money5%

“Great product at a great price point”

Ease Of Cleaning2%

“house is notably cleaner for using these”

Thickness1%

“I like the option of having 2 thickness and Merv 12”

What buyers complain about

Filtration18%

“presumably affecting the efficiency of the filtering”

Value For Money18%

“Just wish it was a bit cheaper”

Size-Overall15%

“dont fit into place”

Unsustainable Design10%

“Poorly constructed”

Noise Level5%

“So they're noisy”

Allergies5%

“We suffer from allergies”

Quality-Overall3%

“Quality declined on four measures”

Material Quality3%

“Finally the filtering material isnt as white as on the previous version”

Top return reasons

Size-Overall75%

Filtration12%

Compatibility-Overall4%

Thickness2%

Value For Money2%

Advertised Vs Actual Product2%

Quality-Overall1%

Defective Material/Parts1%

Ease Of Use1%

Functionality-Overall1%

Common questions

Is 20x20x2 air filter profitable to sell on Amazon United States?: The niche generates $695K/yr across 16 tracked products. 90-day search growth is +49.9%. Flapen's verdict: Worth a look (57/100).
How competitive is the 20x20x2 air filter niche?: 8 brands and 12 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in 20x20x2 air filter?: Top complaints mined from reviews: Filtration, Value For Money, Size-Overall. The return rate is 0.1%.
When does demand for 20x20x2 air filter peak?: Demand peaks in Jun–Jul; the busiest month runs 1.8× the quietest.
What does it cost to enter the 20x20x2 air filter niche?: Listings span $33.59–$84.87; the average listing price is $55.00 (sweet spot $15–$100). The average incumbent carries 11,982 reviews — the moat a new listing must climb.

20x20x2 air filter

20x20x2 air filter market data

Competition & brand share

Demand & seasonality

Top 20x20x2 air filter search terms

Top 20x20x2 air filter products on Amazon

Top sellers

Newest

Trending

What buyers say about 20x20x2 air filter

What buyers love

What buyers complain about

Top return reasons

Common questions

Related niches in Tools & Home Improvement