BornBL Silicone Duckbill Valve Diaphragm Set,Compatible with S12/S9 Wearable Breast Pump Accessories, Replacement Spare Parts
Quick answer
Is $4.72 a good price for BornBL Silicone Duckbill Valve Diaphragm Set,Compatible with S12/S9…?
No: $4.72 only undoes a recent increase. On Nov 2, 2026 it cost $4.75, then on Nov 3, 2026 it rose to $6.05.
$4.72
Today it costs $4.72 on AliExpress. Since Oct 23, 2026, when we started tracking it, it ranged from $3.99 to $6.05. Price checked on Nov 14, 2026, 15:09 UTC.
Heads up: this price went up before it went down. On Nov 2 it was $4.75; on Nov 3 it rose to $6.05. Today it is $4.72, less than 5% below what it cost before the increase.
Drop detected on .
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Today$4.72since Nov 14
Lowest$3.99Nov 7 to Nov 14
Highest$6.05Nov 3 to Nov 7
Tracked since Oct 23 · 5 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 14, 15:09 UTC | $4.72 | +18% |
| Nov 7, 11:01 UTC | $3.99 | −34% |
| Nov 3, 22:09 UTC | $6.05 | +27% |
| Nov 2, 18:06 UTC | $4.75 | −11% |
| Oct 29, 07:05 UTC | $5.33 | +0.8% |
| Oct 23, 02:08 UTC | $5.29 | start |
| Store | BornBL Store |
|---|---|
| Positive feedback (AliExpress) | — |
| AliExpress category | Mother & Kids › Pregnancy & Maternity |
| Sold | 45 |
| Recorded readings | 6 |
| First seen | |
| Last reading |
Also sold by 1 other store
Same title and category on AliExpress, cheapest first. Each store has its own price and history; check the variant and shipping.
| BornBL Store | $3.99 · 45 sold |
|---|