---
product_id: 138618022
title: "MARINE CITY Portable 304 Grade Stainless Steel Polished Round Butterfly Vent with Center Knob Shutter Vent"
brand: "marine city"
price: "$45.79"
currency: USD
in_stock: true
reviews_count: 4
url: https://www.desertcart.us/products/138618022-marine-city-portable-304-grade-stainless-steel-polished-round-butterfly
store_origin: US
region: United States of America
---

# Marine Grade 304 Easy Installation Durable Design MARINE CITY Portable 304 Grade Stainless Steel Polished Round Butterfly Vent with Center Knob Shutter Vent

**Brand:** marine city
**Price:** $45.79
**Availability:** ✅ In Stock

## Summary

> 🌊 Elevate Your Ventilation Game!

## Quick Answers

- **What is this?** MARINE CITY Portable 304 Grade Stainless Steel Polished Round Butterfly Vent with Center Knob Shutter Vent by marine city
- **How much does it cost?** $45.79 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/138618022-marine-city-portable-304-grade-stainless-steel-polished-round-butterfly)

## Best For

- marine city enthusiasts

## Why This Product

- Trusted marine city brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Use:** Perfect for marine environments or household applications, enhancing any space.
- • **Sleek Aesthetic:** Polished finish adds a touch of elegance to your boat or home.
- • **Compact & Portable:** Lightweight design makes it easy to transport and install wherever needed.
- • **Unmatched Durability:** Crafted from Marine Grade 304 stainless steel for superior corrosion resistance.
- • **Effortless Installation:** No modifications needed—install in minutes, even for the DIY novice.

## Overview

The MARINE CITY Portable 304 Grade Stainless Steel Polished Round Butterfly Vent is designed for maximum durability and corrosion resistance, making it ideal for marine and household use. With a 5-inch diameter and easy installation, this vent is perfect for enhancing ventilation in companionway doors, cockpits, and cabins. The sleek design and lightweight construction ensure it fits seamlessly into any environment.

## Description

MARINE CITYPortable 304 Grade Stainless Steel Polished Round Butterfly Vent with Center Knob Shutter Vent

## Features

- Made of Marine Grade 304 Polished Stainless Steel for maximum corrosion resistance and durability.
- It is very durable and long-lasting, commonly used for Marine Companionway Door, Cockpit, Cabin Ventilation, or use for a household shed or additions.
- Easy to install and maintain, without modification, and not easy to fall off, its repairs can be completed in a short time and hardly require any mechanical expertise.
- Dimensions: Thickness: 1mm 0.03" (0.8mm); Diameter: 5"(127mm).
- Package Includes 1 piece of MARINE CITY Stainless Steel 5 inches Round Butterfly Vent with Center Knob Shutter Vent.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Stainless Steel |
| Brand | MARINE CITY |
| Product Dimensions | 5"L x 5"W |
| Number of Pieces | 1 |
| Exterior Finish | Stainless Steel |
| Specific Uses For Product | boat, yacht, home, marine |
| Special Feature | portable, easy to install, easy to open |
| Included Components | Knob |
| Theme | voyage |
| Metal Type | Stainless Steel |
| Handle Material | Stainless Steel |
| Unit Count | 1.0 Count |
| Manufacturer | Marine City |
| Item Weight | 3.98 ounces |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | MC29725025 |
| Special Features | portable, easy to install, easy to open |

## Images

![MARINE CITY Portable 304 Grade Stainless Steel Polished Round Butterfly Vent with Center Knob Shutter Vent - Image 1](https://m.media-amazon.com/images/I/51TyLMMckPL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    quality looks good.Its going to work just fine for my intended use
  

*by B***. on Reviewed in the United States on December 11, 2019*

Looks,and ease of adjustment I am going to use it as an adjustable intake air vent on modified sand blast cabinet

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Good quality.
  

*by S***P on Reviewed in the United States on December 12, 2019*

Good quality. Stainless steel is durable. Shutter closure could be a little snugger but ok ok for my application.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Looks great.
  

*by R***R on Reviewed in the United States on November 4, 2019*

Looks nice and works well.

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**Shop now:** [https://www.desertcart.us/products/138618022-marine-city-portable-304-grade-stainless-steel-polished-round-butterfly](https://www.desertcart.us/products/138618022-marine-city-portable-304-grade-stainless-steel-polished-round-butterfly)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-09-21*