Gravity roof ventilator — power source Non-Powered / Natural Wind Driven, model number NPR-300/500/600, WDT-300/500/600. The complete factory specification follows. Made by Shandong Certeg International Co., Ltd. (11 years on the platform, typical reply ≤6h). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Gravity Roof Ventilator
- Model Number: NPR-300/500/600, WDT-300/500/600
- Power Source: Non-Powered / Natural Wind Driven
- Material: Stainless Steel 304 / Stainless Steel 201 / Alumin
- Place Of Origin: China
- Application: Warehouse and Factory Roof Ventilation
- Feature: Zero running cost, anti-leakage, rustproof
Technical Specifications
| Model Number | NPR-300/500/600, WDT-300/500/600 |
|---|---|
| Application | Warehouse and Factory Roof Ventilation |
| Place Of Origin | China |
| Brand Name | OEM/ODM |
| Chemical Composition | Standard (Fe, Cr, Ni) |
| Material | Stainless Steel 304 / Stainless Steel 201 / Alumin |
| Shape | Round |
| Throat Size (Diameter) | 100mm – 1200mm (Customizable) |
| Power Source | Non-Powered / Natural Wind Driven |
| Feature | Zero running cost, anti-leakage, rustproof |
| Selling Units | Single item |
| Single Volume | 0 cm³ |
| Single Gross Weight | 0.0 kg |
Ordering and Pricing
- Minimum order quantity: 1 piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this gravity roof ventilator?
The standard minimum order quantity is 1 piece. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Shandong Certeg International Co., Ltd., based in China. The company 11 years as a verified Alibaba.com supplier, Trading Company. Browse the full Shandong Certeg International Co., Ltd. range on HVACR Nexus.
See more in Roof Exhaust Fans on HVACR Nexus.
