Double-Layer Thickened Aluminum Foil Ventilation Hose – Premium Airflow Solution
High-density aluminum foil construction with reinforced double-layer design for superior durability and tear resistance. Inner smooth surface minimizes airflow resistance while outer textured layer enhances flexibility and crush-proof performance. Precision-engineered telescopic design extends effortlessly from 1m to 3m, adapting seamlessly to tight spaces like HVAC systems, kitchen exhausts, dryer vents, or workshop dust extraction. Universal 4-inch diameter fits standard PVC110 pipelines with airtight silicone connectors. Heat-resistant (-30°C to 150°C) and fire-retardant, ideal for industrial exhaust, greenhouse ventilation, or residential HVAC upgrades. Zero static buildup ensures safer operation with sensitive electronics. Bulk wholesale pricing available – global shipping with guaranteed lowest rates. Custom length/connector options upon request for large-scale projects.