Marine City Stainless-Steel 4 inches / 5 inches Side Knob Butterfly Ve – Marine City Hardware

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Marine City Stainless-Steel 4 inches / 5 inches Side Knob Butterfly Vent (Diameter: 4 inches)


Secure your vessel with the strength of stainless steel - elevate your marine hardware game with Marine Citys Side Knob Butterfly Vent.

The Marine City Stainless-Steel Side Knob Butterfly Vent is an essential marine hardware you need for your boat. Made of high-quality stainless steel, this vent offers excellent durability against harsh marine environments and rough weather conditions. With a diameter of either 4 or 5 inches, the side knob butterfly vent ensures optimal airflow and proper ventilation to keep your cabin fresh and comfortable. Its sleek design and easy-to-use knobs will make it effortless to regulate the air circulation in your vessel while adding elegance to its overall look. Invest in this top-of-the-line marine product today and experience ultimate comfort during your next voyage!

  • Durable marine hardware made of high-quality stainless steel for long-lasting use.
  • Easy to install and operate side knob butterfly vent enhances ventilation on boats or yachts.
  • Sleek design adds an aesthetic touch to your marine products while providing functionality.
  • Suitable for 4 inches/5 inches diameter openings, offering versatile options for different boat sizes and types.


• Made of Marine 304 Polished Stainless Steel for maximum corrosion resistance and durability.

• Commonly used for Marine Companionway Door, Cockpit, Cabin Ventilation, or use for a household shed or additions.

• Can control manual handle the opening and closing of the ventilation flap by rotating the side knob, which is convenient to use.

• Dimension: Thickness: 1mm 0.03" (0.8mm); Diameter: 4"(100mm)

• Package contents: 1 pcs MARINE CITY Stainless Steel Cabin Ventilation Plate 4" Round Louver Vent Cover Butterfly Air Vent Gill Plate with Side Knob

About Us

Here at Marine City Hardware, we specialize in marine hardware products. We are all family and are all working together to bring our customers exactly what they need. Our motto is high quality, low prices, fast shipping, and taking care of our customers. Everything is double-checked and electronically tested before being sent out to ensure the highest quality. Our company provides retail and wholesale services so you may also contact us if you want to order our products in bulk as well. Our exceptional prices and superior manufacturing company make us the best around for any marine products. 100% Customer Satisfaction is our ultimate goal so we encourage you to message us because we will work for you.