TW Round Ventilation Sleeve Plastic 55mm OD for 40mm Cutout White for Interior Doors

Product Overview

The Tuleja wentylacyjna okrągła fi 40 TW is a round ventilation sleeve intended for installation in interior doors, particularly in residential and light commercial settings. Produced from durable plastic, it features a 55 mm outer diameter and is compatible with door thicknesses between 35 and 40 mm, enabling air circulation between rooms while maintaining a clean visual finish.

A distinguishing feature of this model is its precise sizing for 40 mm diameter cutouts, which minimizes gaps and ensures an exact fit in standard door applications, reducing installation errors and improving site efficiency. This makes it especially suitable for bulk procurement in residential development projects and carpentry workshops supplying prefabricated doors.

Key Features

• Plastic construction ? resistant to moisture and easy to clean


• Outer diameter 55 mm ? covers cutout edges for a neat finish


• Suitable for doors 35-40 mm thick ? matches common interior door standards


• Requires 40 mm diameter cutout ? precise installation with minimal gap


• Allows air circulation ? supports ventilation in enclosed spaces


• White color ? blends with standard residential door designs

Technical Specifications

• Material: Plastic


• Outer Diameter: 55 mm


• Cutout Diameter: 40 mm


• Compatible Door Thickness: 35-40 mm


• Color: White

Applications

Used in interior doors for residential and light commercial buildings, such as apartments, offices, and utility rooms. Suitable for rooms requiring enhanced airflow without compromising aesthetics, including bathrooms, storage spaces, and laundry areas. Ideal for carpenting and prefabricated door projects demanding standardized ventilation components.

Packaging & Shipping

Standard export packaging. Each unit includes one ventilation sleeve; bulk shipments are available for construction projects and manufacturing orders.