STS is an escrow service that protects both buyers and suppliers. Funds are held securely by Made-in-China.com until order terms (e.g., delivery, quality) are fulfilled
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| Customization: | Available |
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| After-sales Service: | Online Support |
| Warranty: | 1 Year |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Payment Guarantee
Platform-protected payments with refund support for eligible order issues.
Platform Logistics
Inspection Service
After-Sales & Dispute Handling
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Item number | AS-DD215 | AS-DD270 | AS-DD350 |
Bubble Type | Fine Bubble | Fine Bubble | Fine Bubble |
Diameter | 8 Inch | 9Inch | 12Inch |
Membrane Material | EPDM/Silicon/PTFE/TPU | EPDM/Silicon/PTFE/TPU | EPDM/Silicon/PTFE/TPU |
Base Frame Material | ABS/PP Carrrier Plate | ABS/PP Carrrier Plate | ABS/PP Carrrier Plate |
Connector | 3/4" NPT Male thread | 3/4" NPT Male thread | 3/4" NPT Male thread |
Bubble size(mm) | 1-2 | 1-2 | 1-2 |
Design Flow(m3/h) | 1.5-2.5 | 3-4 | 5-6 |
Oxygen Utilization Rate(%) | over 38% | over 38% | over 38% |
Flow Range(m3/h) | 1-6 | 1-8 | 1-12 |
Service Area(m2) | 0.2-0.64 | 0.25-1.0 | 0.4-1.5 |
Service Life(years) | ≥6 | ≥6 | ≥6 |
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