Best Selling 13mm Flange Insert: See Top Product Rankings by Sales Volume & Market Trends

July 2026
122 Products Tracked

Looking for the most popular 13mm flange insert 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 "13mm flange insert." 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 B0CMPBBHMZ currently leads the 13mm flange insert market with 10K monthly sales, followed closely by B0CKZH37FX with 7K monthly sales and B0CY81WHD5 with 6K monthly sales. Meanwhile, ASIN B0DWMM5M7F 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
Nuliie 3-in-1 Flange Sizing Kit 13/15/17/19/21mm for 24mm Electric Double Breast Pump Flange/Shield, 10PCS Silicone Flange Inserts to Boost Pumping Efficiency & Comfort, BPA-Free Essential for Moms
1
B0CMPBBHMZ
$9.99·
4.6
Units/sold10K
Nursi Luna Flange Inserts 10PCS 13/15/17/19/21mm for 24mm Flanges/Shield of Most Pumps, Flange Sizing Kit Silicone Flanges Insert, Breastfeeding Essentials Kit for New Moms
2
B0CKZH37FX
$9.99·
4.6
Units/sold7K
Nursi Luna Flange Sizing Kit 3-in-1 with 13/15/17/19/21mm for 24mm Electric Breast Pump Flanges/Shields, 10PCS Soft Silicone Flange Inserts for More Comfortable Pumping, BPA-Free, Essential for Moms
3
B0CY81WHD5
$9.99·
4.6
Units/sold6K
🚀Fastest Growing
by MoM sales growth
Nenesupply Handsfree Wearable Breast Milk Collection Cups Compatible with Spectra S1 S2 Baby Buddha Momcozy V1 Lansinoh Pumps 24mm Silicone Flanges Replacement for Spectra Pump Parts 19mm 21mm inserts
#1
B0DWMM5M7F
$59.99·
4.4
Nenesupply Handsfree Wearable Breast Milk Collection Cups Compatible with Spectra S1 S2 Baby Buddha Momcozy V1 Lansinoh Pumps 24mm Silicone Flanges Replacement for Spectra Pump Parts 19mm 21mm inserts
Units/sold
1K100.0%
Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Electric Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size
#2
B0CL96VP1C
$7.99·
4.6
Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Electric Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size
Units/sold
1K100.0%

Top Selling 13mm Flange Insert

As of July 2026, we analyzed 122 tracked products in Amazon's "13mm flange insert" 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 600 and 10,000 monthly sales. B0CMPBBHMZ leads the 13mm flange insert market with an estimated 10,000 monthly sales, up 11.1% from the previous month.

122Products Tracked
2,930Top 10 Avg. Sales
$19.52Top 10 Avg. Price
4.6Top 10 Avg. Rating
🏆
Nuliie 3-in-1 Flange Sizing Kit 13/15/17/19/21mm for 24mm Electric Double Breast Pump Flange/Shield, 10PCS Silicone Flange Inserts to Boost Pumping Efficiency & Comfort, BPA-Free Essential for Moms
#1
B0CMPBBHMZ

Nuliie 3-in-1 Flange Sizing Kit 13/15/17/19/21mm for 24mm Electric Double Breast Pump Flange/Shield, 10PCS Silicone Flange Inserts to Boost Pumping Efficiency & Comfort, BPA-Free Essential for Moms

10,000
▲ 11.1%
Units Sold/mo
$9.99
Price
4.6
Rating
4.2K
Reviews
2
Nursi Luna Flange Inserts 10PCS 13/15/17/19/21mm for 24mm Flanges/Shield of Most Pumps, Flange Sizing Kit Silicone Flanges Insert, Breastfeeding Essentials Kit for New Moms
B0CKZH37FX
$9.99
4.6 (2K)
Nursi Luna Flange Inserts 10PCS 13/15/17/19/21mm for 24mm Flanges/Shield of Most Pumps, Flange Sizing Kit Silicone Flanges Insert, Breastfeeding Essentials Kit for New Moms
7,000 Units Sold/mo▲ 1.7%
3
Nursi Luna Flange Sizing Kit 3-in-1 with 13/15/17/19/21mm for 24mm Electric Breast Pump Flanges/Shields, 10PCS Soft Silicone Flange Inserts for More Comfortable Pumping, BPA-Free, Essential for Moms
B0CY81WHD5
$9.99
4.6 (2.1K)
Nursi Luna Flange Sizing Kit 3-in-1 with 13/15/17/19/21mm for 24mm Electric Breast Pump Flanges/Shields, 10PCS Soft Silicone Flange Inserts for More Comfortable Pumping, BPA-Free, Essential for Moms
6,000 Units Sold/mo▲ 50.0%
4
Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Electric Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size
B0CL96VP1C
$7.99
4.6 (583)
Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Electric Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size
1,000 Units Sold/mo▲ 100.0%
5
Flange Inserts 15mm Compatible with Medela/Spectra/TSRETE/Elvie/Momcozy/Bellababy Breast Pump 24mm Shields/Flanges, Reduce 24mm Nipple Tunnel Down to 15 mm, 4PCS
B0CW1P5GRJ
$7.99
4.5 (972)
Flange Inserts 15mm Compatible with Medela/Spectra/TSRETE/Elvie/Momcozy/Bellababy Breast Pump 24mm Shields/Flanges, Reduce 24mm Nipple Tunnel Down to 15 mm, 4PCS
1,000 Units Sold/mo▲ 66.7%
10
17mm Flange Insert 6PC, Compatible with 17mm Flange Spectra/Flange Inserts for Spectra/Momcozy Flange Inserts/Momcozy Wearable Breast Pump Flange Insert/Flange Inserts for Medela Pump/Willow/TSRETE
B0CL5P9MKX
$9.99
4.5 (563)
17mm Flange Insert 6PC, Compatible with 17mm Flange Spectra/Flange Inserts for Spectra/Momcozy Flange Inserts/Momcozy Wearable Breast Pump Flange Insert/Flange Inserts for Medela Pump/Willow/TSRETE
600 Units Sold/mo▲ 50.0%
View All 122 Products & Deep InsightsGet full access to sales data, trends, and market analysis

For sellers and category managers benchmarking the 13mm flange insert price landscape, we segmented all 122 tracked listings in Amazon's live "13mm flange insert" 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 $10.00 ~ $20.00 band is the category's best 13mm flange insert price zone, absorbing 48% of the assortment (144 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 13mm flange insert category.

Top 3 Price Tiers

$10.00 ~ $20.00 is the most competitive price tier, containing 48% of tracked products.

Sweet Spot
$10.00 ~ $20.00
Tier 1
48%
144 products

Top products in this price tier

#1
B0CMPBBHMZ
$9.99
10k Units Sold/mo
Unlock Top Performers
#2
$0.00 ~ $10.00
Tier 2
40%
119 products
$20.00 ~ $50.00
Tier 3
10%
29 products
$50.00 ~ $100.00
2%
Unlock to view all price tier distributions and their ASIN sales contributions

"13mm flange insert" Search Volume and Market Trends on Amazon

Amazon keyword search volume data for "13mm flange insert" 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 "13mm flange insert" was approximately 236 searches. The keyword currently holds an Amazon Search Frequency Rank (SFR) of #756,499, climbing 281,961 positions from the previous week. Additionally, the top 3 products for this keyword capture 45.1% of the total click share and 47.1% of the conversion share, indicating the level of market concentration.

Amazon Search Term
Weekly

13mm flange insert

ASINSIGHT
Search Frequency Rank
756,499
281,961
Search Volume
236
41.3%
Top 3 Click Share
45.1%
Top 3 Conv. Share
47.1%

Search Volume Trend

Past 3 Years
Past 4 Months
Recent 8 months
Weekly Search Volume
236
View full trends for the past 3 years
JulAugSepOctNovDecJanFebMarAprMayJun
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