TW Round Ventilation Sleeve ?55mm for Door Thickness 35?40mm Beige Plastic

Product Overview

The round ventilation sleeve fi 40 TW in beige is made of plastic and provides localized airflow through door panels. Commonly installed in residential and commercial interior doors with a thickness of 35 to 40 mm, it is used to support ventilation between rooms or within confined spaces such as offices, bathrooms, or storage areas.

Unlike generic sleeves, this SKU comes with a 55 mm outer diameter, offering a larger air passage area for improved ventilation efficiency. This feature minimizes the risk of insufficient airflow in projects that require compliance with minimum air exchange standards. A practical choice for bulk buyers outfitting multi-unit residential or office buildings.

Key Features

• Outer diameter 55 mm ? allows high airflow capacity for door ventilation


• Compatible with door thickness 35?40 mm ? fits standard interior doors


• Plastic construction ? lightweight and corrosion-resistant for low maintenance


• Round design ? simple installation with standard drill bits


• Beige color ? neutral finish matches most door and wall colors


• Single unit package ? easy for inventory management and installation

Technical Specifications

• Outer Diameter: 55 mm


• Compatible Door Thickness: 35?40 mm


• Material: Plastic


• Color: Beige

Applications

Commonly used in interior doors of residential apartments, office spaces, hotels, and bathrooms to improve air circulation and prevent moisture buildup. Suitable for use in projects requiring passive ventilation solutions in closed rooms or shared spaces. Recommended for bulk installations in multi-family housing, commercial renovations, and fit-out projects.

Packaging & Shipping

Standard export packaging. Unit includes the ventilation sleeve; installation accessories are not included.