427mm AISI Stainless Steel Marine Louvered Air Vent

Keep your boat cabin fresh and well-ventilated with this heavy-duty 427mm stainless steel louvered air vent. Engineered from premium AISI stainless steel, this marine-grade ventilation grille delivers maximum airflow while keeping water, spray, and debris firmly outside — ideal for boat cabins, engine compartments, and below-deck spaces.

Key Features

Marine-Grade AISI Stainless Steel: Corrosion-resistant construction built to withstand the harsh saltwater and UV environment of open water.
427mm (16-13/16") Length: A generous span that provides ample ventilation coverage for larger cabin openings and compartments.
Compact Profile: Width of 76mm (3") and height of 32mm (1-1/4") makes installation straightforward in tight spaces.
8 Louvered Slots: Angled slats promote continuous air circulation while naturally deflecting water and debris to protect interior areas.
Silver Finish: Clean, polished look integrates seamlessly with any boat interior or exterior panel.
Easy Installation: Includes the ventilation grille ready to mount — no specialist tools required.

Specifications

Material	AISI Stainless Steel
Length	427mm (approx. 16-13/16")
Width	78mm (approx. 3")
Height / Depth	26mm (approx. 1")
Number of Slots	8 Louvered Slots
Color	Silver
Application	Marine / Boat Cabins, Engine Bays, Below-Deck Spaces

What's in the Box

1 × Stainless Steel Louvered Ventilation Grille (427mm)

Note: Monitor calibration and ambient lighting may cause slight colour variation from product images. Please allow ±2–3mm measurement tolerance.

Made in Mainland China.

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For guidance on marine ventilation standards and best practices, refer to the U.S. Consumer Product Safety Commission (CPSC) for general marine product safety information.

Learn more: Brunswick Boat Group

Frequently Asked Questions

Q: What material is this boat air vent made from, and is it suitable for saltwater environments?

A: This marine air vent is constructed from AISI stainless steel, which is specifically chosen for its excellent corrosion resistance. It is well-suited to both freshwater and saltwater marine environments, making it a reliable long-term ventilation solution for boat cabins and engine compartments.

Q: How many louvered slots does this vent have, and will they keep water out?

A: The vent features 8 angled louvered slots. The slat angle is designed to promote strong airflow while naturally deflecting water and debris, helping keep moisture and spray from entering your cabin or compartment during normal on-water use.

Q: What are the exact dimensions of this boat louvered air vent?

A: The vent measures approximately 425mm (L) × 78mm (W) × 26mm (H) — roughly 16-3/4" × 3" × 1". Please allow for a small manual measurement tolerance of ±2–3mm when planning your installation cutout.

Q: Is installation hardware included with this ventilation grille?

A: The package includes the ventilation grille itself. Standard mounting hardware (screws/fasteners appropriate for your boat panel material) is typically required and may need to be sourced separately depending on your specific installation surface.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.

We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.