---
product_id: 560889681
title: "4inch Round Wall Vent Cap, piiyoosnn 304 Stainless Steel Air Vent,Hemispherical Grille Ventilation Cover External Extractor for Outdoor Black Baked Paint proces (4-inch（100mm）Black Paint)"
brand: "piiyoosnn"
price: "1033421₫"
currency: VND
in_stock: true
reviews_count: 13
category: "Piiyoosnn"
url: https://www.desertcart.vn/products/560889681-4inch-round-wall-vent-cap-piiyoosnn-304-stainless-steel-air
store_origin: VN
region: Vietnam
---

# Easy Screw-In Installation Hemispherical Wind & Rain Protection 304 Stainless Steel Durability 4inch Round Wall Vent Cap, piiyoosnn 304 Stainless Steel Air Vent,Hemispherical Grille Ventilation Cover External Extractor for Outdoor Black Baked Paint proces (4-inch（100mm）Black Paint)

**Brand:** piiyoosnn
**Price:** 1033421₫
**Availability:** ✅ In Stock

## Summary

> 🖤 Elevate your airflow game with sleek, durable ventilation that means business.

## Quick Answers

- **What is this?** 4inch Round Wall Vent Cap, piiyoosnn 304 Stainless Steel Air Vent,Hemispherical Grille Ventilation Cover External Extractor for Outdoor Black Baked Paint proces (4-inch（100mm）Black Paint) by piiyoosnn
- **How much does it cost?** 1033421₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/560889681-4inch-round-wall-vent-cap-piiyoosnn-304-stainless-steel-air)

## Best For

- piiyoosnn enthusiasts

## Why This Product

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

## Key Features

- • **Sleek Hemispherical Design:** Modern black finish with windproof and rainproof hood keeps your HVAC system safe and efficient.
- • **Versatile Ventilation Solution:** Ideal for bathroom, kitchen, exhaust fans, air conditioners, and gas vents—upgrade your airflow game.
- • **Say Goodbye to Plastic Failures:** Strong metal construction prevents damage and unwanted critter invasions—protect your home with style.
- • **Effortless Installation & Maintenance:** Includes screws and fits perfectly on 4-inch ducts for quick setup and easy cleaning.
- • **Built to Last with Premium 304 Stainless Steel:** Rust-resistant, sturdy, and lightweight for long-term outdoor performance.

## Overview

The piiyoosnn 4-inch Round Wall Vent Cap is crafted from premium 304 stainless steel with a black baked paint finish, designed for outdoor use on 4-inch ducts. Its hemispherical grille offers superior windproof and rainproof protection, ensuring durability and efficient ventilation. Easy to install with included screws, this vent cap is perfect for a variety of applications including bathroom, kitchen, and HVAC exhaust systems, providing a robust, rust-resistant alternative to plastic covers.

## Description

4inch Round Wall Vent Cap, piiyoosnn 304 Stainless Steel Air Vent,Hemispherical Grille Ventilation Cover External Extractor for Outdoor Black Baked Paint proces (4-inch（100mm）Black Paint) - desertcart.com

Review: Good quality - Very strong! Good quality and fit right into the duct. No more crumbling plastic covers, no more rabbits homesteading in vent.
Review: Glad I Bought It - It worked well and has held up. I'm glad I bought it. I had to order it on desertcart because I couldn't find what I needed at my local store.

## Features

- 【Product Specification】 4"Air Vent Ventilation Grille Cover applied to 4in circular pipe/ducting hose. NOTE: Stainless steel air vent has razor-sharp edges, wear gloves when installing to protect yourself.
- 【 Premium Material】: Made of high-quality 304 stainless steel material, surface is black spray paint, environmental-friendly, safe, sturdy, durable, anti-rust and lightweight.
- 【 Special Design】: Features a sleek and modern design with a hemispherical hood, providing windproof and rainproof protection for your home's HVAC system.
- 【Easy to Install】: Package included black air vent x 1, screw x 2; installed by inserting the mouth into the ceiling or wall, and then use screw to secure the air vent, also very easy to disassemble for conveniently cleaning.
- 【Widely Application】: ventilation duct cover can be applied for indoor exhaust and diminish noise, it is very suitable for bathroom vents, exhaust fans, air conditioner units, kitchen fans, gas vents and most other wall vents.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CCCVJ2T7 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #101,218 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #607 in Registers, Grilles & Vents |
| Color | 4-inch（100mm）Black Paint |
| Customer Reviews | 4.6 4.6 out of 5 stars (176) |
| Date First Available | July 20, 2023 |
| Included Components | mitten, screws |
| Item Weight | 14.4 ounces |
| Item model number | 4 round vent |
| Manufacturer | piiyoosnn |
| Part Number | 4 round vent |
| Product Dimensions | 6 x 5.5 x 4.1 inches |

## Images

![4inch Round Wall Vent Cap, piiyoosnn 304 Stainless Steel Air Vent,Hemispherical Grille Ventilation Cover External Extractor for Outdoor Black Baked Paint proces (4-inch（100mm）Black Paint) - Image 1](https://m.media-amazon.com/images/I/61PNbp36oIL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality
*by J***Z on January 20, 2026*

Very strong! Good quality and fit right into the duct. No more crumbling plastic covers, no more rabbits homesteading in vent.

### ⭐⭐⭐⭐⭐ Glad I Bought It
*by C***G on January 14, 2026*

It worked well and has held up. I'm glad I bought it. I had to order it on Amazon because I couldn't find what I needed at my local store.

### ⭐⭐⭐⭐⭐ Clean and Simple Wall Vent Cap
*by B***N on May 11, 2025*

This round wall vent cap was exactly what I needed to finish my resin 3D printer exhaust setup. After drilling through the wall and running the ducting, this cap fit perfectly over the exit and gave it a clean, professional look. The finish is nice, it seated well, and installation was quick. It does its job without calling attention to itself — just a solid, no-fuss solution.

## Frequently Bought Together

- 4inch Round Wall Vent Cap, piiyoosnn 304 Stainless Steel Air Vent,Hemispherical Grille Ventilation Cover External Extractor for Outdoor Black Baked Paint proces (4-inch（100mm）Black Paint)
- AC Infinity Flexible 4-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust
- 4inch 304 Stainless Steel Air Vents Cover, piiyoosnn Louvered Grille Cover Vent Flat Ducting Air Vent Wall Inlet with Built-in a Fly Screen Mesh for HVAC Ventilation

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**Shop now:** [https://www.desertcart.vn/products/560889681-4inch-round-wall-vent-cap-piiyoosnn-304-stainless-steel-air](https://www.desertcart.vn/products/560889681-4inch-round-wall-vent-cap-piiyoosnn-304-stainless-steel-air)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-25*