S9 Pro/S12 Pro/S9/S12 Duckbill Valve Silicone Diaphragm, Compatible with momcozy Breastpump, Electric Breast Pump Replacement
Quick answer
Is $6.75 a good price for S9 Pro/S12 Pro/S9/S12 Duckbill Valve Silicone Diaphragm, Compatible…?
It is the usual price, not a deal: $6.75 is in line with the typical price of $6.75 that DipScout measured over the last 14 days. It is the lowest in 23 days, but it has held this price since Nov 2, 2026.
$6.75
Today it costs $6.75 on AliExpress. Since Oct 22, 2026, when we started tracking it, it ranged from $6.75 to $7.29. It's the lowest price in 23 days, but it has been at this value since Nov 2, 2026; by our price history that is already the normal price, not a sale.
No drop compared with what we observed over the last 14 days. The store advertises "was $7.45", but that is the store's own claim; we only state discounts our price history proves.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Last reading$6.75on Nov 9
Lowest$6.75Nov 2 to Nov 9
Highest$7.29Oct 22 to Nov 2
Tracked since Oct 22 · 1 changeHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 2, 11:06 UTC | $6.75 | −7% |
| Oct 22, 15:48 UTC | $7.29 | start |
| Store | MOM LEMON Store |
|---|---|
| Positive feedback (AliExpress) | 84.3% |
| AliExpress category | Mother & Kids › Pregnancy & Maternity |
| Sold | 19 |
| Recorded readings | 2 |
| First seen | |
| Last reading |