16x25x4 Furnace Filter Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
16x25x4 Furnace Filter sales on Amazon US totaled 69,150 units in July 2026 (▼ 2.3% vs. the prior month), generating an estimated $3,371,366 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 75.2% of unit volume and 67.8% of revenue, while a typical listing is priced at $66.63. The keyword itself pulled 24,591 Amazon queries over the same period (▼ 7.5% MoM).
Zooming out to the 12-month window ending July 2026, the 16x25x4 furnace filter Top 50 moved 683,650 units and $33,790,009 in cumulative sales — an average of 56,971 units and $2,815,834 per month. Monthly throughput topped out at 72,850 units in October 2025 and dipped to 27,700 in May 2026, leaving the latest reading 24.9% higher than August 2025.
16x25x4 Furnace Filter Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
69.2K
▼ 2.3% MoM
Monthly Revenue 2026/07
$3.4M
▲ 3.3% MoM
Top 10 Market Share 2026/07
75.2%
16x25x4 Furnace Filter Market Share & Sales Concentration on Amazon US — July 2026
The most-sold 16x25x4 furnace filter listing on Amazon US in July 2026 is ASIN B07FNW9WYB (Brand: Filtrete), which sold 10,000 units at $39.99 apiece — equal to 14.5% of every unit tracked in this report.
The Top 10 ASINs account for 52,000 units and $2,287,270 in July 2026 — 75.2% of unit volume and 67.8% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for '16x25x4 Furnace Filter' on Amazon
July 2026
Is 75.2% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
Powered by ASINSIGHT MCP · Grounded in ASINSIGHT Amazon data
Top 5 Volume Share breakdown
B07FNW9WYB
Filtrete 16x25x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC, MPR 300 Basic Dust Defense, Pleated Electrostatic, Removes Lint
10K
▲ 25.0%vs. prior month
$371.7K
latest month
12-month trend
B07G2HWJWC
Simply 16x25x1 Air Filter, MERV 8, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 15.75"x24.75"x0.75") DUST, Pet, & Allergy Control
10K
▼ 50.0%vs. prior month
$317.3K
latest month
12-month trend
B09RQCMR5V
Filtrete 16x25x4 Air Filter, MERV 11, MPR 1000, 2 HVAC Filters | Allergen Defense, 12-Month AC/Furnace Filters, Cleaner Air, Reliable Airflow, (Act. Size 15.88x24.56x4.31 in)
7K
▲ 40.0%vs. prior month
$289.2K
latest month
12-month trend
B004OJL9IK
Genuine AprilAire 410 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 11, Clean Air & Dust, 16x25x4 Air Filter (Pack of 1)
6K
▼ 14.3%vs. prior month
$340.7K
latest month
12-month trend
B00CK04VEE
Filterbuy 16x25x4 Air Filter MERV 8 Dust & Allergy Defense (2-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 15.50 x 24.50 x 3.63)
5K
▲ 25.0%vs. prior month
$224.9K
latest month
12-month trend
B01N5GYRTF
Filtrete 16x25x4 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 4-Pack, Fits Lennox & Honeywell, AC Furnace HVAC Filters for Home, Pleated Electrostatic (Actual Size 15.88 x 24.56 x 4.31 in)
4K
▼ 20.0%vs. prior month
$243.3K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best 16x25x4 Furnace Filter Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Filtrete is the best-performing 16x25x4 furnace filter brand in July 2026, moving 25,000 units across 4 ASINs for 48.1% of Top 10 volume. Simply follows with 10,000 units (19.2%), ahead of Filterbuy on 9,000 units (17.3%).
With 5 brands splitting the Top 10 and 84.6% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $41.97 to $55.97, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Filtrete
4 ASINs in Top 10
48.1%
Units
25K
Revenue
$1.1M
Avg. price
$53.94
B07FNW9WYB
$39.99·★4.7·161K revsFiltrete 16x25x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC, MPR 300 Basic Dust Defense, Pleated Electrostatic, Removes Lint
Units sold10KB09RQCMR5V
$46.79·★4.5·1.9K revsFiltrete 16x25x4 Air Filter, MERV 11, MPR 1000, 2 HVAC Filters | Allergen Defense, 12-Month AC/Furnace Filters, Cleaner Air, Reliable Airflow, (Act. Size 15.88x24.56x4.31 in)
Units sold7KB01N5GYRTF
$79.99·★4.6·5K revsFiltrete 16x25x4 Air Filter MERV 11, MPR 1000 Micro Allergen Defense 4-Pack, Fits Lennox & Honeywell, AC Furnace HVAC Filters for Home, Pleated Electrostatic (Actual Size 15.88 x 24.56 x 4.31 in)
Units sold4KB09RQBQ776
$48.99·★4.6·5.3K revsFiltrete 16x25x4 Air Filter MERV 12, MPR 1550 Certified Asthma & Allergy Friendly 2-Pack, Fits Lennox & Honeywell, AC Furnace HVAC Filters, Pleated Electrostatic (Actual Size 15.88x24.56x4.31 in)
Units sold4K
Simply
1 ASIN in Top 10
19.2%
Units
10K
Revenue
$317.3K
Avg. price
$41.97
B07G2HWJWC
$41.97·★4.7·54.1K revsSimply 16x25x1 Air Filter, MERV 8, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 15.75"x24.75"x0.75") DUST, Pet, & Allergy Control
Units sold10K
Filterbuy
3 ASINs in Top 10
17.3%
Units
9K
Revenue
$466.8K
Avg. price
$55.97
B00CK04VEE
$44.98·★4.4·6.4K revsFilterbuy 16x25x4 Air Filter MERV 8 Dust & Allergy Defense (2-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 15.50 x 24.50 x 3.63)
Units sold5KB00CJZ9136
$74.96·★4.3·3.6K revsFilterbuy 16x25x4 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 15.50 x 24.50 x 3.63)
Units sold2KB00CK03DUC
$47.98·★4.3·2.2K revsFilterbuy 16x25x4 Air Filter MERV 11 Pet & Allergy Defense (2-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 15.50 x 24.50 x 3.63)
Units sold2K
Trending 16x25x4 Furnace Filter Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. On the growth side, B0BZ6JN4ZQ leads positive momentum with ▲ 700.0% MoM growth on 400 units, with B0DCGPY1YK close behind at ▲ 150.0% MoM on 500 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0BZ6JN4ZQ
Filter King 16x25x4 Air Filter MERV 8, AC Furnace Filters (4-Pack) | Dust & Allergy Control (Actual Size: 15.5 x 24.5 x 3.75)
Price
$73.48
Rating
4.6
Reviews
3.5K
Latest month sales
B0DCGPY1YK
Filtrete 16x25x4 AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria & Virus Filter, Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 15.44 x 24.62 x 4.31 in)
Price
$72.07
Rating
4.2
Reviews
421
Latest month sales
B00CJZ9136
Filterbuy 16x25x4 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 15.50 x 24.50 x 3.63)
Unlock to view ASIN details and product titles
Price
$74.96
Rating
4.3
Reviews
3.6K
Latest month sales
One Amazon dataset. Two ways to use it.
Every number in this 16x25x4 furnace filter report comes from the Amazon market data ASINSIGHT tracks. Pick how you want to work with it.
Explore the full data
Browse the complete, structured picture in a ready-made interface — and keep tracking it as the market moves.
- Organic vs. ad traffic shifts per product
- Hourly rank and search-volume tracking
- Competitor ASINs and historical trends
Starts with a free ASINSIGHT account
Analyze the data your way
Connect the same data to ChatGPT, Claude or Cursor, then combine any dimensions to answer your own questions.
- Combine product, keyword, sales & ranking data freely
- Follow up in your own words, no fixed reports
- Works in ChatGPT, Claude & Cursor
20,000 credits/mo free, no credit card