
HVAC Ducting Plastic Lintel Flat Pipe PVC Flue Ventilation System. Durable PVC Material: Made from high-quality PVC with excellent performance life and environmental protection. Multiple Size Options: Available in DN75, DN110, DN160, and DN200 specifications for various HVAC needs. ISO9001 Certified: Manufactured under strict ISO9001 quality management standards for reliability. Easy Installation: Designed for simple installation, saving time and effort during setup. 1-Year Warranty: Comprehensive 1-year warranty coverage for peace of mind and quality assurance. Professional Manufacturer: Established in 2015 with over 10 years of industry experience and reputation. Customization Available: Supports OEM/ODM services and customization based on customer samples. Free Sample Offer: Free samples are available for customers to verify quality before ordering.