TW Round Ventilation Sleeve Plastic 55mm Outer Diameter Brown for 35-40mm Doors

Product Overview

The round ventilation sleeve TW, diameter 40 mm, is designed for installation in doors to facilitate air circulation between rooms. Made from durable plastic, it fits doors with a thickness between 35 and 40 mm, making it suitable for residential and light commercial applications where passive airflow is required.

A distinguishing feature of this specific model is its 55 mm outer diameter, which allows for easy installation in standard core drill holes, minimizing the need for complex retrofitting. This benefit is especially valued by contractors and facility managers overseeing multi-door projects, as it ensures consistent fitment and streamlines procurement for renovations and new builds.

Key Features

• Durable plastic construction ? resists deformation and moisture exposure in daily use


• Outer diameter 55 mm ? suitable for standard drilling tools during installation


• Fits door thickness 35-40 mm ? covers common interior door specifications


• Round shape ? facilitates uniform airflow and easy placement


• Brown color ? blends with most wood and laminate door finishes

Technical Specifications

• Material: Plastic


• Outer Diameter: 55 mm


• Suitable Door Thickness: 35-40 mm


• Shape: Round


• Color: Brown

Applications

Commonly installed in residential interior doors, office partitions, and light commercial buildings requiring air transfer between rooms. Appropriate for environments demanding passive ventilation without mechanical systems, such as bathrooms, utility closets, and pantry doors.

Packaging & Shipping

Standard export packaging. Single unit boxed, includes ventilation sleeve only; installation accessories are not supplied.