Photo 1 of Vent Systems 4" Inch Exhaust Vent Cover with Rubber Gasket - Stainless Steel - Robust Weatherproof Outdoor Air Exhaust Box - Duct or Surface Mounting - Rain and Snow Protection

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Photo 1 of Vent Systems 4" Inch Exhaust Vent Cover with Rubber Gasket - Stainless Steel - Robust Weatherproof Outdoor Air Exhaust Box - Duct or Surface Mounting - Rain and Snow ProtectionPhoto 2 of Vent Systems 4" Inch Exhaust Vent Cover with Rubber Gasket - Stainless Steel - Robust Weatherproof Outdoor Air Exhaust Box - Duct or Surface Mounting - Rain and Snow Protection