Marine City 4” Stainless Steel Round Louver Vent Cover with Side Knob

The Marine City 4 Inch Round Louver Vent Cover with Side Knob is precision-crafted from marine-grade 304 polished stainless steel, offering excellent resistance to corrosion, rust, and harsh marine conditions. Its butterfly-style louver design allows smooth and precise airflow control through a convenient side knob mechanism.

This stainless steel ventilation plate is commonly used for marine companionway doors, cabins, and cockpits, while also being suitable for household sheds and utility areas. The polished finish adds a clean, professional appearance to any marine installation.

Designed for durability and ease of use, the vent is simple to install and maintain, requiring no special tools or mechanical expertise. With a 4-inch diameter and 1 mm thickness, it provides reliable ventilation performance in both marine and outdoor environments.

Key Features 

• Marine-Grade 304 Stainless Steel: Polished finish ensures superior corrosion resistance and long-lasting durability

• Side Knob Butterfly Design: Easily control airflow by rotating the side knob to open or close the ventilation flap

• Versatile Marine Use: Ideal for cabin ventilation, companionway doors, cockpits, yachts, boats, and household sheds

• Easy Installation: Simple to mount with no modification required; secure and stable fit

• Strong & Reliable: Designed to stay firmly in place in marine and outdoor environments

• Package Includes: Marine City 4” Stainless Steel Round Louver Vent Cover