Polar white exterior RV register/vent. Dometic 3109492.003 / 9108554346. Outer dimensions are approximately 20.75″ x 10.75″ (exact measurements are about 20 5/8″ x 10 3/4″ x 1 1/2″).
Cut out size is about 19″ x 9.5″. The door itself measures 18.75″ x 8.75″.
Used on several different Jayco & Entegra towable and motorized RVs / motorhomes. Jayco part number 0710457.


