
Fresh Air System Circular Tuyere Indoor Adjustable Air Vents. Durable ABS Material: Made from imported ABS with flame retardant, anti-condensation, and UV resistance properties. Customizable Sizes: Available in various sizes including DN75, DN100, DN150, DN200, DN250, and up to DN630mm. OEM and ODM Services: Full customization available from samples with professional recommendations offered. Free Sample Available: Customers can request a free sample to verify product quality before bulk ordering. Multi-Color Options: No painting required; available in multiple colors without gaps or deformation. Easy Maintenance: Removable design allows for easy disassembly and washing for long-term use. High Production Capacity: Monthly production capacity reaches 500,000 pieces to meet large order demands. ISO9001 Certified: Manufacturing process adheres to ISO9001 quality standards with 100% finished product inspection.