---
product_id: 616901188
title: "Anthracite Ventilation Gravity Grille 153mm with 100mm 4 inch Connector│ Air Vent Covers with Flaps and Insect Protection │ Extractor Cover for Duct Pipe, Wall, Window │ Inside and Outside"
brand: "h&c vent"
price: "¥6258"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/616901188-anthracite-ventilation-gravity-grille-153mm-with-100mm-4-inch-connector
store_origin: JP
region: Japan
---

# Ø100mm universal connector UV & weather resistant ABS Gravity shutters block backflow Anthracite Ventilation Gravity Grille 153mm with 100mm 4 inch Connector│ Air Vent Covers with Flaps and Insect Protection │ Extractor Cover for Duct Pipe, Wall, Window │ Inside and Outside

**Brand:** h&c vent
**Price:** ¥6258
**Availability:** ✅ In Stock

## Summary

> 🛠️ Upgrade your airflow game with style and smart protection!

## Quick Answers

- **What is this?** Anthracite Ventilation Gravity Grille 153mm with 100mm 4 inch Connector│ Air Vent Covers with Flaps and Insect Protection │ Extractor Cover for Duct Pipe, Wall, Window │ Inside and Outside by h&c vent
- **How much does it cost?** ¥6258 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/616901188-anthracite-ventilation-gravity-grille-153mm-with-100mm-4-inch-connector)

## Best For

- h&c vent enthusiasts

## Why This Product

- Trusted h&c vent brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Smart One-Way Airflow:** Gravity shutters act as a one-way valve, preventing unwanted odors, dust, and frost from entering your space.
- • **Seamless Universal Fit:** Connects effortlessly with 100mm to 150mm ducts for versatile ventilation setups.
- • **Hassle-Free Installation:** Secure your vent cover quickly with included screws and dowels—no expert needed.
- • **Durable Anthracite Elegance:** UV-resistant anthracite finish maintains sleek aesthetics indoors and outdoors without fading.
- • **Insect-Proof & Weather-Ready:** Integrated insect protection and robust ABS material ensure long-lasting performance in any climate.

## Overview

The H&C VENT Anthracite Ventilation Gravity Grille features a 153x148mm frame with a universal Ø100mm connector, designed for both indoor and outdoor use. Its gravity shutters provide one-way airflow control, blocking backflow of odors, dust, and frost, while integrated insect protection keeps pests out. Made from UV-resistant ABS plastic, this vent cover combines durability with a sleek anthracite finish that resists fading. Easy to install with included hardware, it’s ideal for bathrooms, kitchens, garages, and industrial spaces requiring reliable ventilation solutions.

## Description

Anthracite Ventilation Gravity Grille 153mm with 100mm 4 inch Connector│ Air Vent Covers with Flaps and Insect Protection │ Extractor Cover for Duct Pipe, Wall, Window │ Inside and Outside

## Features

- ✔ Practical Use ✔ With Gravity Shutters and Insect Protection. Gravity shutters (blinds / flaps / slats) work as a one way valve and stop air flow when ventilation system is not in use. At the same time not letting back into your home unpleasant odours, dust and frost.
- ⭐ Excellent Appearance ⭐ Anthracite colour looks great in interior and exterior use. The material is UV resistant and will not change colour in sun. Great use in house, apartment, garage, shed office and industrial premices for Bathroom or Kitchen extractor fans, inline extract fan, kitchen hood, tumble dryer, air conditioner ( air con ), cooker exhaust. Grille covers ventilation exhaust in the same time prevents cold air and insects from coming into Your home. Mainly used for small air vents systems for internal and external use.
- ✔ Standart Size ✔ 153mm (high) x 148mm (wide) and with Ø 100 mm connector. Great usage for all indoor and outdoor ventilation systems up to Ø 150 mm pipe and duct diameters. Universal connectivity alows to cover all mainly used air supply systems. Compatible with different exhaust pipes, ducts, ducting systems, ventilation system and adapters including │ 100mm / 4 inch│ 125mm / 5 inch│ 150mm / 6 inch │. Choose the right fit for you.
- 🌦 Strong Material 🌦 UV and weather resistant. Made out of durable ABS plastic this exhaust cover retains technical and aesthetic properties in different internal and external conditions. Material is smooth, lightweight, flexible and provides comfortable and reliable long-term use.
- ⚒ Easy to install ⚒ Choose and measure the mounting place for this grille. Simply mount the ventilation grill using 4 connector points for secure fit and connect to ventilation system! We recommend using screws, but can be installed by using elastic glue or silicone. Make sure that slats are in the correct position to function correctly. Easy! Screws and dowels included!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | H&C VENT |
| Part Number | ND12Z |
| Product Dimensions | 10 x 10 x 4 cm; 130 g |
| Item model number | ND12Z |
| Size | 150 x 150 - Ø 100 mm |
| Colour | Anthracite |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 130 g |

## Images

![Anthracite Ventilation Gravity Grille 153mm with 100mm 4 inch Connector│ Air Vent Covers with Flaps and Insect Protection │ Extractor Cover for Duct Pipe, Wall, Window │ Inside and Outside - Image 1](https://m.media-amazon.com/images/I/51pCcN-C6NL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.jp/products/616901188-anthracite-ventilation-gravity-grille-153mm-with-100mm-4-inch-connector](https://www.desertcart.jp/products/616901188-anthracite-ventilation-gravity-grille-153mm-with-100mm-4-inch-connector)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-01*