Stainless Steel Roof Vent Cap 4/6/8 Inch Bathroom Exhaust Fan Ventilation Cover

[EXCELLENT DESIGN]: Rooftop exhaust vent includes a screen to prevent injury,helps keep wind, rain, snow, external injury from entering outdoor dryer vents.️[HIGH-QUALITY ROOF CAP]: Hon&Guan roof vent cap is constructed with heavy gauge steel ensure durability and lasting use, has strong corrosion resistance.️[EASY INSTALLATION]: 4'' roof dryer vent includes a 3” long pipe extension located underneath the flange for connecting to flex ducting,and there are four holes in the panel, which can help you install on the roof more firmly.️[WIDELY USE]: Hon&Guan high quality 4'' or 8 exhaust roof vent cap is designed for maximum airflow and protection, to be used with kitchen and roof exhaust venting systems, Note:no damper.[Easy Installation]: 4、6、8 inch vent includes a pipe extension located underneath the flange for connecting to flex ducting, and there are four holes in the panel, which can help you install on the4、6、 8” bathroom exhaust fan roof jack more firmly.