Add to Cart Attwood 1494A5 Marine Louvered Vent - Black Attwood MSRP: Now: $24.75 Was: Attwood 1494A5 Marine Louvered Vent - Black Using this Attwood marine louvered vent is a convenient way to add ventilation to your RV. It's made from durable and lightweight ABS plastic and... MSRP: Now: $24.75 Was: Add to Cart