2-Pack - Deflecto Universal Bird Guard, Fits 3" to 4" Vents, White (UBGWL)

The Deflecto universal bird guard helps prevent birds and other pests from nesting in the vent or entering the home. Easily installs over any 3" or 4" clothes dryer or bathroom exhaust vent. Make sure to check periodically and remove lint or other debris, if present. From the Manufacturer Deflecto Ubgwl Universal Bird Guard; Prevents Birds From Nesting In Duct; Fits Any 3 inches Or 4 inches Exterior Exhaust Hood.