
Flexible PVC Aluminum Air Conditioner Duct Hose for Optimal Ventilation. Custom Size Availability: Product size can be customized to meet specific ventilation requirements. Comprehensive Certifications: Certified with SAA, CE, TUV, CB, and RoHS for international safety standards. 3-Year Warranty: Includes a 3-year warranty period for peace of mind. Online After-Sales Support: Dedicated online support team available for technical assistance. Custom Design Service: In-house R&D team available to design according to custom concepts. Sample Production Capability: Capable of producing based on customer-provided samples. Strict Quality Inspection: All goods undergo strict inspection by an in-house QC team before delivery. Refundable Sample Fee: Sample fee is refundable once the order is confirmed.