Premium High-Rise Indoor Through-Wall Windproof Cover

Durable Construction
– Heavy-duty ABS plastic withstands extreme weather, UV-resistant for long-term outdoor use.
Advanced Airflow Design
– Patented windproof baffle system prevents backdraft, ensuring consistent ventilation with zero pressure buildup.
Precision Engineering
– Seamless flange and silicone gasket create airtight wall penetration, eliminating drafts and noise.
Multi-Scene Application
– Ideal for HVAC exhaust vents, dryer ducts, bathroom fans, and commercial kitchen exhaust systems.
Easy Installation
– Pre-drilled mounting holes and adjustable collar fit standard 4"-6" ducts, tool-free snap-lock assembly.
Corrosion-Proof
– Stainless steel inner core resists rust, salt, and humidity in coastal or high-moisture environments.
Lowest Global Wholesale Price
– Bulk discounts available for contractors, property managers, and HVAC distributors.