Best Selling Alen 45i Replacement Filter: See Top Product Rankings by Sales Volume & Market Trends

July 2026
77 Products Tracked

Looking for the most popular alen 45i replacement filter products in the market? Our report leverages real Amazon monthly sales data to identify the best-performing products and the fastest-growing opportunities within the search results for the keyword "alen 45i replacement filter." Whether you're searching for winning products to launch or monitoring market trends and competitor performance, this report provides the insights you need.

Based on monthly sales analytics, our Shoppers' Top Picks highlights that ASIN B0C3GWNR29 currently leads the alen 45i replacement filter market with 1K monthly sales, followed closely by B0CXF2NP8G with 1K monthly sales and B0BPXJBPLB with 700 monthly sales. Meanwhile, ASIN B0CXF2NP8G stands out as the fastest-growing product, achieving an impressive 100.0% month-over-month sales growth. By tracking competitor sales performance and shifts in market demand, sellers can uncover emerging opportunities and make more informed product and marketing decisions.

🏆Shoppers' Top PicksAmazon
by monthly sales July 2026
MORENTO 2 Pack HY4866 Genuine Air Purifier Replacement Filter for HY4866 Air Purifier, Original Version
1
B0C3GWNR29
$25.24·
4.8
Units/sold1K
HY4866 Filters Compatible with MORENTO HY4866, WESTHEY HY4866, YIOU M1 Air Purifier, 3-in-1 H13 Ture HEPA Replacement Filters (Extra 4 Pre-filter) Enhanced Version for HY4866, 4 Pack
2
B0CXF2NP8G
$29.99·
4.8
Units/sold1K
45i Replacement Filter for Alen Breathesmart Flex Bh400 45i Air Purifier H13 Grade True HEPA Fresh Filter B4-Pure / Fl40
3
B0BPXJBPLB
$35.99·
4.6
Units/sold700
🚀Fastest Growing
by MoM sales growth
HY4866 Filters Compatible with MORENTO HY4866, WESTHEY HY4866, YIOU M1 Air Purifier, 3-in-1 H13 Ture HEPA Replacement Filters (Extra 4 Pre-filter) Enhanced Version for HY4866, 4 Pack
#1
B0CXF2NP8G
$29.99·
4.8
HY4866 Filters Compatible with MORENTO HY4866, WESTHEY HY4866, YIOU M1 Air Purifier, 3-in-1 H13 Ture HEPA Replacement Filters (Extra 4 Pre-filter) Enhanced Version for HY4866, 4 Pack
Units/sold
1K100.0%
Alen 45i & Flex Replacement Air Filter, Odor, B4-Odor H13 True HEPA + Carbon Catalyst Filter for BreatheSmart 45i & Flex Air Purifier - Captures Dust + Pet Dander & Household Odors
#2
B0F79LP6C1
$99.00·
4.4
Alen 45i & Flex Replacement Air Filter, Odor, B4-Odor H13 True HEPA + Carbon Catalyst Filter for BreatheSmart 45i & Flex Air Purifier - Captures Dust + Pet Dander & Household Odors
Units/sold
400100.0%

Top Selling Alen 45i Replacement Filter

As of July 2026, we analyzed 77 tracked products in Amazon's "alen 45i replacement filter" search results and generated the following sales chart and product rankings based on monthly sales data. The ranking below highlights the Top 10 products by estimated monthly sales. According to the latest data, these products generated between 200 and 1,000 monthly sales. B0C3GWNR29 leads the alen 45i replacement filter market with an estimated 1,000 monthly sales.

77Products Tracked
500Top 10 Avg. Sales
$44.22Top 10 Avg. Price
4.6Top 10 Avg. Rating
🏆
MORENTO 2 Pack HY4866 Genuine Air Purifier Replacement Filter for HY4866 Air Purifier, Original Version
#1
B0C3GWNR29

MORENTO 2 Pack HY4866 Genuine Air Purifier Replacement Filter for HY4866 Air Purifier, Original Version

1,000
Units Sold/mo
$25.24
Price
4.8
Rating
1K
Reviews
2
HY4866 Filters Compatible with MORENTO HY4866, WESTHEY HY4866, YIOU M1 Air Purifier, 3-in-1 H13 Ture HEPA Replacement Filters (Extra 4 Pre-filter) Enhanced Version for HY4866, 4 Pack
B0CXF2NP8G
$29.99
4.8 (780)
HY4866 Filters Compatible with MORENTO HY4866, WESTHEY HY4866, YIOU M1 Air Purifier, 3-in-1 H13 Ture HEPA Replacement Filters (Extra 4 Pre-filter) Enhanced Version for HY4866, 4 Pack
1,000 Units Sold/mo▲ 100.0%
3
45i Replacement Filter for Alen Breathesmart Flex Bh400 45i Air Purifier H13 Grade True HEPA Fresh Filter B4-Pure / Fl40
B0BPXJBPLB
$35.99
4.6 (447)
45i Replacement Filter for Alen Breathesmart Flex Bh400 45i Air Purifier H13 Grade True HEPA Fresh Filter B4-Pure / Fl40
700 Units Sold/mo▲ 1.3%
4
2 Pack 45i Replacement Filter for Alen Breathesmart Flex Bh400 45i Air Purifier H13 Grade True HEPA Fresh Filter B4-Pure / Fl40
B0CVVMZ753
$56.99
4.6 (447)
2 Pack 45i Replacement Filter for Alen Breathesmart Flex Bh400 45i Air Purifier H13 Grade True HEPA Fresh Filter B4-Pure / Fl40
500 Units Sold/mo▲ 1.5%
5
2 Pack HY4866 Replacement Filters for MORENTO/WESTHEY HY4866 Air Purifier and YIOU M1 Air Purifier, 3-in-1 H13 True HEPA Filter High-Efficiency Activated Carbon Filter, Enhanced Version
B0C4FFGJK2
$22.99
4.7 (424)
2 Pack HY4866 Replacement Filters for MORENTO/WESTHEY HY4866 Air Purifier and YIOU M1 Air Purifier, 3-in-1 H13 True HEPA Filter High-Efficiency Activated Carbon Filter, Enhanced Version
400 Units Sold/mo▲ 33.3%
10
Alen 45i & Flex Replacement Air Filter, Pure Filter, B4-Pure H13 True HEPA Filter for BreatheSmart Air Purifier - Captures Dust
B0F79XPBQB
$69.00
4.4 (102)
Alen 45i & Flex Replacement Air Filter, Pure Filter, B4-Pure H13 True HEPA Filter for BreatheSmart Air Purifier - Captures Dust
200 Units Sold/mo▲ 100.0%
View All 77 Products & Deep InsightsGet full access to sales data, trends, and market analysis

For sellers and category managers benchmarking the alen 45i replacement filter price landscape, we segmented all 77 tracked listings in Amazon's live "alen 45i replacement filter" search results across the full price spectrum, and surfaced the top 3 price tiers by share below to highlight where competition concentrates and where pricing gaps exist.

Leading the distribution, the $20.00 ~ $50.00 band is the category's best alen 45i replacement filter price zone, absorbing 69% of the assortment (140 products) — this is where listing density is highest and where new entrants face the steepest competition for share-of-voice. Use the tier breakdown below to identify the top-ranking ASIN, monthly sales velocity, and rating profile within each band — essential inputs for pricing strategy, sourcing decisions, and competitive benchmarking in the alen 45i replacement filter category.

Top 3 Price Tiers

$20.00 ~ $50.00 is the most competitive price tier, containing 69% of tracked products.

Sweet Spot
$20.00 ~ $50.00
Tier 1
69%
140 products

Top products in this price tier

#1
B0C3GWNR29
$25.24
1k Units Sold/mo
Unlock Top Performers
#2
$50.00 ~ $100.00
Tier 2
18%
36 products
$10.00 ~ $20.00
Tier 3
8%
16 products
$100.00 ~ $200.00
5%
Unlock to view all price tier distributions and their ASIN sales contributions

"Alen 45i replacement filter" Search Volume and Market Trends on Amazon

Amazon keyword search volume data for "alen 45i replacement filter" in the US marketplace. This report provides insights into keyword search volume, Amazon search trends, competition levels, and conversion efficiency for sellers and brands.

During the week of 2026-06-28 to 2026-07-04, the Amazon USweekly search volume for "alen 45i replacement filter" was approximately 219 searches. The keyword currently holds an Amazon Search Frequency Rank (SFR) of #809,850, dropping 223,250 positions from the previous week. Additionally, the top 3 products for this keyword capture 64.7% of the total click share and 35.7% of the conversion share, indicating the level of market concentration.

Amazon Search Term
Weekly

alen 45i replacement filter

ASINSIGHT
Search Frequency Rank
809,850
223,250
Search Volume
219
28.9%
Top 3 Click Share
64.7%
Top 3 Conv. Share
35.7%

Search Volume Trend

Past 3 Years
Past 4 Months
Recent 8 months
Weekly Search Volume
219
View full trends for the past 3 years
JulAugSepOctNovDecJanFebMarAprMayJun
Multi-Dimensional Data

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