Product Overview
Brand: TVWVT
Color: Black
Features:
- Premium Stainless Steel Construction：Heavy-duty stainless steel with black anti-rust coating, weather-resistant & corrosion-proof for long-term outdoor use.
- Removable Mesh Screen：Detachable metal grid blocks birds/rodents/lint, easy to clean without disassembly.
- Non-Return Flap with Rubber Seal：Opens for airflow, seals tightly when idle, prevents air backflow & saves energy.
- Universal 4-Inch Fit：Fits standard 4” dryer vent hoses, exhaust ducts & HVAC systems.
- Easy DIY Installation：Comes with screws & wall plugs, quick setup on exterior walls, low maintenance.
