20x30x2 air filter
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Great9.8%search→purchase rate — share of searches ending in a sale
Avg price
Great$78.36avg listing price — sweet spot $15–$100
Growth
Good+24.5%90-day search growth — must beat 0% to launch
Price range
Good$44.40–$150.95cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$221K$221K/yr · 29K searches
Competition
Okay68%top-5 click share — leaders hold, buyers still browse
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad10,605.64avg incumbent reviews — the moat a new listing must climb
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 20x30x2 air filter is a $221K/yr Amazon United States market (29K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 47/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
20x30x2 air filter market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $235K–$313K
- units × avg price
- Conversion rate
- 9.8%
- Avg BSR
- #83
- Page quality
- 0%
- Prime
- 7%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 61 months
- Avg seller age
- 191 days
Competition & brand share
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.Brands
4 flat
Sellers
8
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
68%
Top 20: 100%
Open market
0%
- Filterbuy51%
- Filter King42%
- MANN+HUMMEL5%
- Nordic Pure3%
Demand & seasonality
Weekly Amazon search volume, last 97 weeks — +24.5% search growth over the last 90 days.Peak months: Sep, Oct · busiest ÷ quietest = 18.5×
Top 20x30x2 air filter search terms
- 20x30x2 air filter18K/yr
- 20x30x2 air filters for home3K/yr
- air filter 20x30x24K/yr
- 20x30x24K/yr
Top 20x30x2 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 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Filter King 20x30x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 29.5 x 1.75)
Filter King$53.934.6★3,373 rev

Filterbuy 20x30x2 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.75 x 29.75 x 1.75)
Filterbuy$44.404.6★68,921 rev

Filterbuy 20x30x2 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.75 x 29.75 x 1.75)
Filterbuy$71.124.7★231 rev

Filterbuy 20x30x2 Air Filter MERV 11 Superior Pet & Allergy Defense (2-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.75 x 29.75 x 1.75)
Filterbuy$48.854.5★20,405 rev

Filter King 20x30x2 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 29.5 x 1.75)
Filter King$78.034.7★2,030 rev
Newest
by launch date
MANN+HUMMEL 20x30x2 MERV 8 Pleated 2 AC Furnace Air Filter. 4 Pack
MANN+HUMMEL$49.25437 rev

MANN+HUMMEL 20x30x2 MERV 8 Pleated 2 AC Furnace Air Filter. Case of 12
MANN+HUMMEL$106.902 rev

Filter King 20x30x2 Air Filter (MERV 8) (5-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 29.5 x 1.75)
Filter King$62.20961 rev

Filter King 20x30x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 29.5 x 1.75)
Filter King$53.933,373 rev

Filter King 20x30x2 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 29.5 x 1.75)
Filter King$78.032,030 rev
Trending
90-day click momentum
Filter King 20x30x2 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 29.5 x 1.75)
Filter King$78.034.7★

Filter King 20x30x2 Air Filter (MERV 8) (12-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 29.5 x 1.75)
Filter King$130.254.7★

Filter King 20x30x2 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 19.5 x 29.5 x 1.75)
Filter King$53.934.6★

MANN+HUMMEL 20x30x2 MERV 8 Pleated 2 AC Furnace Air Filter. Case of 12
MANN+HUMMEL$106.905.0★

Filterbuy 20x30x2 Air Filter MERV 11 Superior Pet & Allergy Defense (6-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 19.75 x 29.75 x 1.75)
Filterbuy$99.974.4★
What buyers say about 20x30x2 air filter
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality”
“Good Value”
“Good filters”
What buyers complain about
“Price is high”
Top return reasons
Common questions
- Is 20x30x2 air filter profitable to sell on Amazon United States?
- The niche generates $221K/yr across 14 tracked products. 90-day search growth is +24.5%. Flapen's verdict: Skip it (47/100).
- How competitive is the 20x30x2 air filter niche?
- 4 brands and 8 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in 20x30x2 air filter?
- Top complaints mined from reviews: Value For Money. The return rate is 0.0%.
- When does demand for 20x30x2 air filter peak?
- Demand peaks in Sep–Oct; the busiest month runs 18.5× the quietest.
- What does it cost to enter the 20x30x2 air filter niche?
- Listings span $44.40–$150.95; the average listing price is $78.36 (sweet spot $15–$100). The average incumbent carries 10,606 reviews — the moat a new listing must climb.