Spectra Duckbill Valve Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Spectra Duckbill Valve sales on Amazon US totaled 41,600 units in July 2026 (▼ 0.1% vs. the prior month), generating an estimated $719,063 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 57.7% of unit volume and 53.1% of revenue, while a typical listing is priced at $16.43. The keyword itself pulled 17,924 Amazon queries over the same period (▼ 6.1% MoM).
Zooming out to the 12-month window ending July 2026, the spectra duckbill valve Top 50 moved 461,050 units and $7,560,114 in cumulative sales — an average of 38,421 units and $630,009 per month. Monthly throughput topped out at 43,300 units in January 2026 and dipped to 22,150 in May 2026, leaving the latest reading 0.5% higher than August 2025.
Spectra Duckbill Valve 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
41.6K
▼ 0.1% MoM
Monthly Revenue 2026/07
$719.1K
▼ 1.6% MoM
Top 10 Market Share 2026/07
57.7%
Spectra Duckbill Valve Market Share & Sales Concentration on Amazon US — July 2026
The most-sold spectra duckbill valve listing on Amazon US in July 2026 is ASIN B0CSYR8JG2 (Brand: PUMPMOM-US), which sold 5,000 units at $16.98 apiece — equal to 12.0% of every unit tracked in this report and 25% ahead of the No. 2 listing.
The Top 10 ASINs account for 24,000 units and $382,100 in July 2026 — 57.7% of unit volume and 53.1% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Spectra Duckbill Valve' on Amazon
July 2026
![[6-Count] Papablic Duckbill Valves, Replacement Milk Valves Compatible with Spectra S1 S2 & Medela Breast Pumps Parts Accessories, BPA & DEHP Free, Food-Grade Silicone, Easy to Clean, White (ASIN B07WHHQN6R), rank #3 by monthly sales volume for 'Spectra Duckbill Valve' on Amazon](https://m.media-amazon.com/images/I/41yfvgjQbtL._AC_UY512_.jpg)
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Top 5 Volume Share breakdown
B0CSYR8JG2
PumpMom-us Breast Pump Parts for Spectra, Replace Duckbill Valves Tubes Backflow Protector Membrane for Spectra S1 S2 9 Plus Breastpumps
5K
▼ 16.7%vs. prior month
$81.8K
latest month
12-month trend
B08MWQQN6W
Legendairy Milk Duckbill Valves for Spectra Breast Pumps, 6 Ct, BPA-Free | Pink food-grade silicone valves with pull tabs fit Spectra, Medela, Motif, BabyBuddha & Zomee; easy to clean, strong suction.
4K
▲ 33.3%vs. prior month
$52K
latest month
12-month trend
B07WHHQN6R
[6-Count] Papablic Duckbill Valves, Replacement Milk Valves Compatible with Spectra S1 S2 & Medela Breast Pumps Parts Accessories, BPA & DEHP Free, Food-Grade Silicone, Easy to Clean, White
3K
▲ 0.0%vs. prior month
$26.4K
latest month
12-month trend
B07LBD522D
Maymom Pump Parts Compatible with Spectra S2 S1 Replacement Kit for Spectra Pump Parts 24 mm Flange Duckbill Valve Tube Bottle Backflow Protector, Not Original S2 S1 Accessories
2K
▲ 0.0%vs. prior month
$62.3K
latest month
12-month trend
B07SNHJPX1
Maymom Duckbill Valves Compatible with Spectra S1 S2 9 Plus Dew 350 Not Original Spectra Pump Parts S2 Accessories Replace Valve (White, 6ct)
2K
▲ 100.0%vs. prior month
$17.8K
latest month
12-month trend
B0863MVC1T
Maymom 19mm Flange and Duckbill Valve Compatible with Spectra S1 S2 Breastpump Not Original S2 Accessories Not Original Spectra Replacement Duckbill Valve and Flange
2K
▲ 0.0%vs. prior month
$38K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Spectra Duckbill Valve Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Maymom is the best-performing spectra duckbill valve brand in July 2026, moving 8,000 units across 4 ASINs for 33.3% of Top 10 volume. PUMPMOM-US follows with 6,000 units (25.0%), ahead of Legendairy Milk on 4,000 units (16.7%).
With 6 brands splitting the Top 10 and 75.0% 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 $12.99 to $19.21, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Maymom
4 ASINs in Top 10
33.3%
Units
8K
Revenue
$156K
Avg. price
$19.21
B07LBD522D
$29.99·★4.6·9.2K revsMaymom Pump Parts Compatible with Spectra S2 S1 Replacement Kit for Spectra Pump Parts 24 mm Flange Duckbill Valve Tube Bottle Backflow Protector, Not Original S2 S1 Accessories
Units sold2KB07SNHJPX1
$8.90·★4.7·9.7K revsMaymom Duckbill Valves Compatible with Spectra S1 S2 9 Plus Dew 350 Not Original Spectra Pump Parts S2 Accessories Replace Valve (White, 6ct)
Units sold2KB0863MVC1T
$18.98·★4.6·6.1K revsMaymom 19mm Flange and Duckbill Valve Compatible with Spectra S1 S2 Breastpump Not Original S2 Accessories Not Original Spectra Replacement Duckbill Valve and Flange
Units sold2KB0863NBHRX
$18.98·★4.6·6.1K revsMaymom 21mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Replacment Pump Parts Not Original Spectra Flange Duckbill Valve
Units sold2K
PUMPMOM-US
2 ASINs in Top 10
25.0%
Units
6K
Revenue
$92.8K
Avg. price
$14.29
B0CSYR8JG2
$16.98·★4.7·1.2K revsPumpMom-us Breast Pump Parts for Spectra, Replace Duckbill Valves Tubes Backflow Protector Membrane for Spectra S1 S2 9 Plus Breastpumps
Units sold5KB08PTVLLWQ
$11.60·★4.8·2.7K revsPUMPMOM-US Backflow Protector and Tubing for Spectra, Replacement Breast Pump Parts for Spectra S1 Spectra S2 Spectra 9 Plus (Not Original Spectra S2 Accessories)
Units sold1K
Legendairy Milk
1 ASIN in Top 10
16.7%
Units
4K
Revenue
$52K
Avg. price
$12.99
B08MWQQN6W
$12.99·★4.4·1.7K revsLegendairy Milk Duckbill Valves for Spectra Breast Pumps, 6 Ct, BPA-Free | Pink food-grade silicone valves with pull tabs fit Spectra, Medela, Motif, BabyBuddha & Zomee; easy to clean, strong suction.
Units sold4K
Trending Spectra Duckbill Valve 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, B07SNHJPX1 leads positive momentum with ▲ 100.0% MoM growth on 2K units, with B0BRKLCWBK close behind at ▲ 50.0% MoM on 300 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.
B07SNHJPX1
Maymom Duckbill Valves Compatible with Spectra S1 S2 9 Plus Dew 350 Not Original Spectra Pump Parts S2 Accessories Replace Valve (White, 6ct)
Price
$8.90
Rating
4.7
Reviews
9.7K
Latest month sales
![[6-Count] Papablic Duckbill Valves, Replacement Milk Valves Compatible with Spectra S1 S2 and Medela Breast Pumps Accessories, BPA & DEHP Free, Blue](https://m.media-amazon.com/images/I/51fqzJhzHSL._AC_UY512_.jpg)
B0BRKLCWBK
[6-Count] Papablic Duckbill Valves, Replacement Milk Valves Compatible with Spectra S1 S2 and Medela Breast Pumps Accessories, BPA & DEHP Free, Blue
Price
$9.99
Rating
4.6
Reviews
232
Latest month sales
B0C6133T2Q
Maymom Pump Parts Compatible with Spectra S1 S2 Synergy Gold Replace Duckbill Valve S2 Replacement Parts Not Original Spectra Replacement Pump Parts
Unlock to view ASIN details and product titles
Price
$12.40
Rating
4.7
Reviews
193
Latest month sales
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