10pcs Waterproof Vent Plug Screw Automatic Exhaust Breather Valve M5 M6M8M12 M16M20 IP68 Nylon Breathable Valve Pressure Balance
$4.10
Today it costs $4.10 on AliExpress. Since Oct 22, 2026, when we started tracking it, the price hasn't changed. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for 1 day; confirming a drop takes at least 3 days. The store advertises "was $4.94", 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
Today$4.10steady
The price hasn't changed once since Oct 22, when we started tracking it.
Hover over the chart to see each price.Tap the chart to see each price.
| Store | HIHAILE Haile E-commerce CO.,Ltd Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Home Improvement › Hardware |
| Recorded readings | 1 |
| First seen | 10/22/2026 |
| Last reading | 10/23/2026, 5:09:42 AM UTC |
Also sold by 3 other stores
Same title and category on AliExpress. Each store has its own price and history.
| HIHAILE Haile E-commerce CO.,Ltd Store · Ships from US | $3.03 · 1221 sold |
|---|---|
| HIHAILE Haile E-commerce CO.,Ltd Store | $3.03 · 1208 sold |
| HIHAILE Haile E-commerce CO.,Ltd Store · Ships from US | $4.10 · 39 sold |