4″ WHITE Round Rotaire Grille Heat Covered Screws Outlet Vent 3940WH RV TrailerTwo piece snap together design covers the 2 screw heads.360 rotation, easy installation and long term durability. Accepts 4″ flex duct.See tape measure pictures.
Approximate size: Grille face diameter 5 1/2″ Back diameter 4″ Side: 2″
Please let me know if you have any questions.Thank you,Babette
Zmdi-facebook
Zmdi-twitter
Zmdi-youtube-play
Zmdi-instagram