Features a black enamel finish and is designed for use with 3 in.
Roof exhaust damper.
The built in back draft damper eliminates cold air from entering the home.
Broan nutone steel roof cap for 6 inch round duct with backdraft damper and bird screen black.
Flush wall vent w gasket damper and 1 8 insect screen low profile bath kitchen range exhaust 26 gauge zinc aluminum metal rated 5 00 out of 5 31 95 41 95 select options.
Broan nutone roof cap in natural aluminum finish 3 1 4 inch x 10 inch or up to 8 inch round duct.
Round duct roof cap with manufactured steel housing and black electrically bonded epoxy finish.
Includes a built in back draft damper and protective bird screen to prevent small pests from entering duct.
Each exhaust shutter features durable galvanized steel aluminum or fiberglass frame construction with moisture and corrosion resistant stainless steel fasteners.
Broan surfaceshield vital vio powered exhaust fan w led light antibacterial light.
A backdraft damper or isolation damper from grainger helps to allow airflow in one direction and prevent reverse airflow.
The attractive broan 634m roof cap is the perfect finish for your ventilation system.
Fans with surfaceshield technology combine the power of broan nutone s bathroom ventilation fans with vital vio s led light technology to prevent the growth of bacteria mold yeast and fungi.
Most roof caps for bath fan exhausts have a light aluminum backdraft damper which rests on a sealant strip which is basically a foam piece of weatherstripping.
Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.
These gravity operated exhaust shutters can be used with direct or belt driven exhaust fans and can help prevent air backflow when the fan is off.
Designed for easy installation.
This sealant strip is installed to keep cold air from coming in and according to a broan customer service rep it also helps to prevent unbearable metal on metal chatter.
Builder s best 012633 galvanized steel roof vent cap with removable screen damper 6 diameter collar black 4 7 out of 5 stars 607 22 16 22.
The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood.
Compatible with either a 3 in.
The bird screen stops unwanted visitors from gaining entry.
Fresh air inlet wall cap for 8 round duct for range hoods and bath ventilation fans.
Select the broan 636 roof cap to provide reliable rooftop ventilation.
