16x21x1 Air Filters
MaybeProducts sell for $44.79 on average, inside the sweet spot. But the products selling today already average 4.7★, so 16x21x1 Air Filters is a Maybe.
- Flapen Score
- 58 / 100Top 12% of 9,536 Tools & Home Improvement niches · +10 vs the category median of 4858
- Market size
- $361K/yr78K searches / yr
- 90-day growth
- +41.8%search demand this quarter
- Competition
- 58%top-5 click share · 11 brands · 17 sellers
Flapen Score
16x21x1 Air Filters against its category
The dotted line is the Tools & Home Improvement average. Past it, 16x21x1 Air Filters is stronger. Inside it, weaker.
Market
The 16x21x1 Air Filters market on Amazon at a glance
Shoppers on Amazon United States searched for 16x21x1 Air Filters 78K times last year and spent an estimated $361K. The top 5 brands take 88% of clicks. Demand peaks in Jul. Flapen scores it 58 out of 100, a Maybe.
01 · Demand
10.3% of searches ended in a purchase last week.
Shoppers searched for this 78K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. In the latest week, 10.3% of those searches ended in a purchase. Searches in the last 90 days moved +41.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $361K a year.
- Searches, last 12 months
- 78K
- Growth, 90 days vs prior 90
- +41.8%
- Conversion, latest week
- 10.3%
- Market size, estimated
- $361Ka year
- Peak month
- July8.5× the quietest month
- Top search term
- 16 3/8 x 21 1/2 x 1 air filter28K searches a year
02 · Price
A sale here is worth $44.79.
Listings sell for $44.79 on average, from $25.59 to $63.36. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 500 to 750 of them. At $44.79 that is $22K to $34K a year per listing.
- Average price
- $44.79inside the $15 to $100 sweet spot
- Price range
- $25.59–$63.36
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 8K–10K
- Units per listing a year
- 500–750
- Revenue per listing a year
- $22K–$34K
- Returns
- 1.3%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
71% of listings pay for placement with sponsored ads. 76% ship with Prime. On an average day, 5.7% of listings are out of stock. The average listing ranks #171 within Furnace Parts & Accessories. It carries 6,283 reviews at 4.68 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 71%
- Prime listings
- 76%
- Out of stock, average day
- 5.7%
- Average rank
- #171in Furnace Parts & Accessories
- Average rating
- 4.68 starsAmazon United States average 4.42 stars
- Average reviews
- 6,283per listing
- Listings tracked
- 21
04 · Newcomers
Amazon counts 0 of last year's 1 launches as successful.
1 products launched here in the last 12 months. Amazon counts 0 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 63 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 63 months
Products
Top 16x21x1 Air Filters products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Top sellers
by 90-day click share
Aerostar 16.375x21.5x1 MERV 11 Air Filter 4 Count ACTUAL SIZE (16.50 x 21.50 x 0.75) HVAC Air Conditioning & Furnace Filter for Dust Pet Dander Smoke & Allergies (MPR 1200 / FPR 7) Made in USA
- Price
- $33.33
- Rating
- 4.7/5
- Reviews
- 4,106
- Age
- 6y ago
Aerostar 16.375x21.5x1 MERV 8 Air Filter 6 Count ACTUAL SIZE (16.50 x 21.50 x 0.75) HVAC Air Conditioning & Furnace Filter Captures Dust Lint & Pollen (MPR 600 / FPR 5) Made in USA
- Price
- $45.88
- Rating
- 4.6/5
- Reviews
- 3,658
- Age
- 10y ago
Chenzhit (6 Pack) 16 3/8x21 1/2x1 Furnace Air Filters MPR 1900 & FPR 10 MERV 13 Pleated Air Filter (Actual Size: 16 3/8x21 1/2x3/4)
- Price
- $58.61
- Rating
- 4.7/5
- Reviews
- 647
- Age
- 1y ago
Glasfloss 16-3/8x21-1/2x1 MERV 10 Air Filters 6-Pack Fits Carrier
- Price
- $60.30
- Rating
- 4.8/5
- Reviews
- 2,728
- Age
- 6y ago
Aerostar 16.375x21.5x1 MERV 11 - 6 Count - Pleated HVAC Furnace & Air Conditioner Filters - Removes Dust Cold & Flu Germs Lint Mold Pet Dander Allergy-Causing Pollen Smog & Smoke
- Price
- $48.21
- Rating
- 4.7/5
- Reviews
- 4,106
- Age
- 10y ago
Trending
90-day click momentum
(6 Pack) 16 3/8x21 1/2x1 Air Filter MERV 13 MPR 1900 & FPR 10 Pleated Air Filter (Actual Size: 16 3/8x21 1/2x0.75)
- Price
- $56.21
- Rating
- 4.7/5
- Reviews
- 54
- Age
- 3mo ago
Aerostar 16.375x21.5x1 MERV 8 Air Filter 6 Count ACTUAL SIZE (16.50 x 21.50 x 0.75) HVAC Air Conditioning & Furnace Filter Captures Dust Lint & Pollen (MPR 600 / FPR 5) Made in USA
- Price
- $45.88
- Rating
- 4.6/5
- Reviews
- 3,658
- Age
- 10y ago
Glasfloss 16-3/8x21-1/2x1 MERV 10 Air Filters 6-Pack Fits Carrier
- Price
- $60.30
- Rating
- 4.8/5
- Reviews
- 2,728
- Age
- 6y ago
16 3/8 x 21 1/2 x 1 Air Filter Frame with High Air Flow Washable Reusable Media Compatible Replacement for Fan Coil Filter KFAFK0212MED 317659-402 -MERV 5 Made in USA AC HVAC Furnace Filter Holder
- Price
- $63.36
- Rating
- 4.9/5
- Reviews
- 20
- Age
- 2y ago
Filtrete 16x21x1 AC Furnace Air Filter MPR 700 MERV 8 Tough on Pollen Easy on Airflow 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 2-Pack (Actual Size 15.69 x 20.69 x 0.81 in)
- Price
- $25.59
- Rating
- 4.7/5
- Reviews
- 740
- Age
- 1y ago
Newest
by launch date(6 Pack) 16 3/8x21 1/2x1 Air Filter MERV 13 MPR 1900 & FPR 10 Pleated Air Filter (Actual Size: 16 3/8x21 1/2x0.75)
- Price
- $56.21
- Rating
- 4.7/5
- Reviews
- 54
- Age
- 3mo ago
Filtrete 16x21x1 AC Furnace Air Filter MPR 700 MERV 8 Tough on Pollen Easy on Airflow 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 2-Pack (Actual Size 15.69 x 20.69 x 0.81 in)
- Price
- $25.59
- Rating
- 4.7/5
- Reviews
- 740
- Age
- 1y ago
Filtrete 16x21x1 Air Filter MERV 11 MPR 1000 Allergens & Pet Dander 3-Month AC and Furnace Filters Cleaner Air Reliable Airflow 4 HVAC Filters (Actual Size 15.68 x 20.68 x 0.81 in)
- Price
- $53.98
- Rating
- 4.8/5
- Reviews
- 25,454
- Age
- 1y ago
Chenzhit (6 Pack) 16 3/8x21 1/2x1 Furnace Air Filters MPR 1900 & FPR 10 MERV 13 Pleated Air Filter (Actual Size: 16 3/8x21 1/2x3/4)
- Price
- $58.61
- Rating
- 4.7/5
- Reviews
- 647
- Age
- 1y ago
Filtrete 16x21x1 AC Furnace Air Filter MPR 700 MERV 8 Tough on Pollen Easy on Airflow 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 6-Pack (Actual Size 15.69 x 20.69 x 0.81 in)
- Price
- $42.93
- Rating
- 4.6/5
- Reviews
- 627
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 58% of clicks. Leaders hold, but buyers still shop past them.
Brands
11 rising
Sellers
17
Top-5 brand share
88%
Top 20: 100%
Top-5 click share
58%
Top 20: 99%
Open market
9%
- Aerostar53%
- Filtrete13%
- Chenzhit10%
- Glasfloss9%
- Amazon Basics4%
- Qingzhug3%
- Open — no brand owns it (5 brands, 9%)
Demand
16x21x1 Air Filters search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jul · busiest ÷ quietest = 8.5×
Search terms
Top 16x21x1 Air Filters search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- 16 3/8 x 21 1/2 x 1 air filter28K/yr
- 16x21x1 air filters14K/yr
- 16x21x1 air filter7K/yr
- air filter 16x21x16K/yr
- 16x21x1 furnace filter6K/yr
- furnace filters 16x21x14K/yr
- air filter 16 3/8 x 21 1/2 x 15K/yr
- ac filter 16 3/8 x 21 1/2 x14K/yr
- 16 x 21 x 1 air filter3K/yr
- aerostar 16 3/8 x 21 1/2 x 13K/yr
Reviews and returns
What reviews say buyers love and hate about 16x21x1 Air Filters
We read the reviews and the return reasons for every product selling here.
“Too big”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
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Best Flapen score
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FAQ
Common 16x21x1 Air Filters questions
Answered from the same tracked data.