Is 19.5x19.5x1 air filter profitable to sell on Amazon United States?

The niche generates $80K/yr across 6 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +45.9%. Flapen's verdict: Skip it (48/100).

How competitive is the 19.5x19.5x1 air filter niche?

2 brands and 6 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in 19.5x19.5x1 air filter?

Top complaints mined from reviews: Size-Overall. The return rate is 0.5%.

What does it cost to enter the 19.5x19.5x1 air filter niche?

Listings span $34.04–$53.04; the average listing price is $44.55 (sweet spot $15–$100). The average incumbent carries 800 reviews — the moat a new listing must climb.

19.5x19.5x1 air filter

Skip it

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

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Conversion

Incredible12.3%

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

Avg price

Incredible$44.55

avg listing price — sweet spot $15–$100

Price range

Incredible$34.04–$53.04

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

Review moat

Good800.33

avg incumbent reviews — the moat a new listing must climb

Growth

Good+45.9%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Market size

Bad$80K

$80K/yr · 15K searches

Competition

Bad96%

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, 19.5x19.5x1 air filter is a $80K/yr Amazon United States market (15K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 48/100.

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

19.5x19.5x1 air filter market data

Units sold / yr: 2K–3K; avg 100–250/product
Revenue / yr: $89K–$111K; units × avg price
Conversion rate: 12.3%
Avg BSR: #271
Page quality: 0%
Prime: 17%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 79 months
Avg seller age: 209 days

Competition & brand share

The top 5 products capture 96% of clicks — a locked-up shelf that new listings rarely crack.

Brands

2 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

96%

Top 20: 100%

Open market

Filter King95%
Aerostar5%

Demand

Weekly Amazon search volume, last 51 weeks — +45.9% search growth over the last 90 days.

Open Trend

Top 19.5x19.5x1 air filter search terms

19.5x19.5x1 air filter9K/yr +65.5%7.6% conv.
19.5 x 19.5 air filter3K/yr -16.7%8.9% conv.
19 1/2 x 19 1/2 x 1 air filter2K/yr +75.1%6.2% conv.

All search terms

Top 19.5x19.5x1 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 6 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

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 19.5x19.5x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 19.5 x .75)

Filter King$50.354.6★39 rev

Filter King 19.5x19.5x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 19.5 x .75)

Filter King$34.044.7★1,771 rev

Filter King 19.5x19.5x1 Air Filter (MERV 11) (6-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 19.5 x .75)

Filter King$53.044.6★810 rev

Aerostar 19.5x19.5x1 MERV 8 - 4 Count - High Efficiency Pleated HVAC Furnace & Air Conditioner Filters - Removes Dust Lint Mold & Allergy-Causing Pollen

Aerostar$38.764.7★378 rev

Newest

by launch date

Filter King 19.5x19.5x1 Air Filter (MERV 13) (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$52.17235 rev

1w ago

Filter King 19.5x19.5x1 Air Filter (MERV 11) (6-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 19.5 x .75)

Filter King$53.04810 rev

2w ago

Filter King 19.5x19.5x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 19.5 x .75)

Filter King$34.041,771 rev

3y ago

Aerostar 19.5x19.5x1 MERV 8 - 4 Count - High Efficiency Pleated HVAC Furnace & Air Conditioner Filters - Removes Dust Lint Mold & Allergy-Causing Pollen

Aerostar$38.76378 rev

7y ago

Filter King 19.5x19.5x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 19.5 x .75)

Filter King$50.3539 rev

7y ago

What buyers say about 19.5x19.5x1 air filter

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

What buyers love

Size-Overall56%

“Fits perfectly”

Quality-Overall31%

“good quality”

Assembly/Installation8%

“is easy to install”

Value For Money6%

“good price”

What buyers complain about

Size-Overall100%

“was a little big”

Top return reasons

Size-Overall81%

Filtration5%

Compatibility-Overall5%

Water Resistance2%

Value For Money2%

Assembly/Installation2%

Measurement/Reading Accuracy2%

Functionality-Overall1%

Common questions

Is 19.5x19.5x1 air filter profitable to sell on Amazon United States?: The niche generates $80K/yr across 6 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +45.9%. Flapen's verdict: Skip it (48/100).
How competitive is the 19.5x19.5x1 air filter niche?: 2 brands and 6 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in 19.5x19.5x1 air filter?: Top complaints mined from reviews: Size-Overall. The return rate is 0.5%.
What does it cost to enter the 19.5x19.5x1 air filter niche?: Listings span $34.04–$53.04; the average listing price is $44.55 (sweet spot $15–$100). The average incumbent carries 800 reviews — the moat a new listing must climb.