RV Designer H860 Tan Plastic Floor Register with Damper Go to amazon.com Related posts Best rv floor vents for 2022 FeatureTan Floor Register with Damper- PlasticOD: 12" x 3 1/2"Cut out 10" x 2 3/8"Fasteners included DescriptionPlastic Tan Floor Register with Damper. OD: 12" x 3 1/2" . Cut out 10" x 2 3/8". Fasteners included