this Roof vent is also ideal for installation in other areas such as kitchens, bathrooms, and attics. It can be used in conjunction with plastic ducts or exhaust fans for easy ventilation.

【Suitable for 4 inch Diameter Round Vent & Duct Fan】Our window vent kit designed for exhaust and intake purposes to help effectively expel odors and draw in fresh air.also can use with ...

If you have two bathrooms that are close together and one has an exhaust fan and the other doesn't, you might be wondering if you can tie a new exhaust duct into the existing one. Well, you can't!