Is 19x19x1 air filter profitable to sell on Amazon United States?

The niche generates $45K/yr across 9 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +47.2%. Flapen's verdict: Skip it (43/100).

How competitive is the 19x19x1 air filter niche?

4 brands and 5 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in 19x19x1 air filter?

Top complaints mined from reviews: Quality-Overall, Filtration, Strength. The return rate is 1.1%.

When does demand for 19x19x1 air filter peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

What does it cost to enter the 19x19x1 air filter niche?

Listings span $11.60–$101.36; the average listing price is $49.34 (sweet spot $15–$100). The average incumbent carries 3,174 reviews — the moat a new listing must climb.

19x19x1 air filter

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Great1.1%

return rate — above 5% kills the launch gate

Avg price

Great$49.34

avg listing price — sweet spot $15–$100

Price range

Great$11.60–$101.36

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

Conversion

Great7.7%

search→purchase rate — share of searches ending in a sale

Growth

Good+47.2%

90-day search growth — must beat 0% to launch

Review moat

Okay3,173.78

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Market size

Bad$45K

$45K/yr · 12K searches

Competition

Bad87%

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, 19x19x1 air filter is a $45K/yr Amazon United States market (12K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 43/100.

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

19x19x1 air filter market data

Units sold / yr: 1K–1K; avg 0–100/product
Revenue / yr: $49K–$62K; units × avg price
Conversion rate: 7.7%
Avg BSR: #604
Page quality: 0%
Prime: 22%
Sponsored: 89%
Out of stock: 2.8%
Avg brand age: 73 months
Avg seller age: 190 days

Competition & brand share

The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 flat

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

87%

Top 20: 100%

Open market

Filter King90%
Simply5%
Aerostar3%
Generic2%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 102 weeks — +47.2% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top 19x19x1 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 9 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Filter King 19x19x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19 x 19 x .75)

Filter King$48.724.7★4,436 rev

Filter King 19x19x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19 x 19 x .75)

Filter King$41.214.7★1,771 rev

Filter King 19.5x19.5x1 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 .75)

Filter King$38.914.7★1,569 rev

Filter King 19x19x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19 x 19 x .75)

Filter King$65.054.7★2,030 rev

Filter King 19x19x1 Air Filter (MERV 8) (12-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19 x 19 x .75)

Filter King$101.364.7★589 rev

Newest

by launch date

Disposable Air Conditioner Filter White Fiberglass Material 19X19X1 Inch HVAC Replacement

Generic$11.601 rev

11mo ago

Filter King 19x19x1 Air Filter (MERV 8) (5-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19 x 19 x .75)

Filter King$59.40961 rev

3y ago

Filter King 19x19x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19 x 19 x .75)

Filter King$41.211,771 rev

3y ago

Simply 19x19x1 Air Filter Merv 8 4 Pack For Home AC Furnace & HVAC (Actual Size: 18.75x18.75x0.75) DUST Pet & Allergy Control

Simply$45.295,182 rev

4y ago

Filter King 19x19x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19 x 19 x .75)

Filter King$65.052,030 rev

7y ago

What buyers say about 19x19x1 air filter

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

What buyers love

Value For Money33%

“Reasonable price”

Filtration18%

“Great filter for the price”

Quality-Overall13%

“Good Quality Filters”

Size-Overall9%

“Perfect fit”

Advertised Vs Actual Product6%

“Exactly as described”

Ease Of Use4%

“Useful”

Efficiency4%

“Works well”

Assembly/Installation3%

“is easy to install”

Strength2%

“They are sturdy”

Locally Manufactured1%

“Made in the USA”

What buyers complain about

Quality-Overall22%

“Cheap”

Filtration16%

“These air filters are not that good”

Strength13%

“the paper frame around the filter is not too sturdy”

Size-Overall10%

“Do not fit snug like they are supposed to”

Thickness8%

“Thinner than Filtrete filters”

Heating4%

“My AC was not cooling properly”

Thin4%

“Man these feel super thin and flimsy”

Defective Material/Parts4%

“Three of them are damaged”

Durability3%

“After 2 days, the filter frame folded and got pulled up out of position”

Value For Money2%

“Definitely NOT Worth it”

Top return reasons

Size-Overall74%

Filtration15%

Compatibility-Overall4%

Value For Money2%

Defective Material/Parts1%

Advertised Vs Actual Product1%

Quality-Overall1%

Ease Of Use0%

Functionality-Overall0%

Thin0%

Common questions

Is 19x19x1 air filter profitable to sell on Amazon United States?: The niche generates $45K/yr across 9 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +47.2%. Flapen's verdict: Skip it (43/100).
How competitive is the 19x19x1 air filter niche?: 4 brands and 5 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in 19x19x1 air filter?: Top complaints mined from reviews: Quality-Overall, Filtration, Strength. The return rate is 1.1%.
When does demand for 19x19x1 air filter peak?: Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the 19x19x1 air filter niche?: Listings span $11.60–$101.36; the average listing price is $49.34 (sweet spot $15–$100). The average incumbent carries 3,174 reviews — the moat a new listing must climb.