3.5" 4.5" 316 Stainless Steel Curved Clad Airflow Vent Cover RV Marine Boat

RV Marine Boat 3.5" 89mm 4.5" 114mm 316 Stainless Steel Curved Clad Airflow Vent FeaturesPermanently attached corrosion resistant 316 stainless cover plate over neutral gray bodyFor use with 4”/100mm or 3”75mm ductingConvex curved faceNo fasteners required for installationHose attachment system patent # 5,588,908Product Details Brand: ITC marinePart Number:81932SS/81933SSOverall Size: 3.5" 89mm /4.5" 114mmCutout:3.25″83mm /4.25″108mmDucting Diameter: 3”75mm/4″100mmColor: Gray / StainlessSelf-locking Net Air Flow Area:3.99 square inches/7.0 square inches Suit For RV /Camper/boat/yacht/Sailing boatDestination custom duty is not included in the listing price; it is the customer's responsibility to pay for custom duty if any.