Vortex Powerfan 4 inch back draft damper

Everbilt 4-inch Louvered Exhaust Assembly, White

This product features a 3 louver damper system that helps to prevent cold air, snow or rain from entering the home. The louvers have been redesigned to help prevent them from sticking. The cap also features a UV resistant coating that prevents the sun from discoloring the cap. This exhaust assembly is ideal for dryer, bathroom fan and kitchen range hood exhausting.

Everbilt 4-inch White Intake Assembly

These intake hoods feature a fixed louvered intake system that allows fresh air to enter the home. Additional features include a recessed caulk line to assist in a clean caulking application and a Snap On pipe to cap assembly that eliminates the need for lint trapping staples

Everbilt 4-inch Premium Wall Exhaust/Intake Hood with Screen, White

This Imperial 4-in Premium Wall Exhaust/Intake Hood is an energy-efficient venting solution ideal for use with bath fans and range hoods. It features an innovative airtight damper that helps prevent back-draft and heat loss when used as an exhaust hood. To easily convert the 2-in-1 hood from exhaust to fresh air intake, simply remove the damper. An optional metal pest control screen can be installed in bath fan and range hood applications, but must be removed if the hood is used for clothes dryer venting. Made of durable painted galvanized steel, this heavy-duty vent hood can withstand the elements and is paintable to match the exterior of your home.

Dundas Jafine Roof Exhaust Hood 4 Inch Black

For bathroom and kitchen fan venting