Square Brass Ventilation Sleeve fi 40 mm Corrosion-Resistant for 39?43 mm Doors

Product Overview

The Tuleja wentylacyjna kwadratowa fi 40 mosiądz is a square brass ventilation sleeve intended for use in bathroom or WC doors, providing necessary air circulation in residential or light commercial settings. Featuring a 40 mm diameter and designed to accommodate door panel thicknesses from 39 to 43 mm, it ensures proper airflow between rooms where moisture management is critical.

The key differentiator for this model is its brass finish, offering greater durability and aesthetic appeal compared to standard plastic or painted steel sleeves. This reduces the need for frequent replacement in environments with variable humidity and is well-suited for renovation contractors, door manufacturers, or bulk refurbishment projects specifying visible, corrosion-resistant ventilation accessories.

Key Features

• Brass construction ? corrosion-resistant and durable in humid bathroom conditions


• Square profile ? aesthetic fit for modern and classic door styles


• Diameter 40 mm ? standard air passage size for residential bathroom doors


• Suitable for panel thickness 39?43 mm ? adaptable to common interior door types


• Easy installation ? simple press-fit or adhesive mounting as per door thickness


• Decorative finish ? enhances interior appearance without additional painting

Technical Specifications

• Shape: Square


• Diameter: 40 mm


• Material: Brass


• Finish: Brass


• Applicable Door Thickness: 39?43 mm

Applications

Used in residential bathrooms, WC doors, and other interior spaces where air exchange is needed to prevent moisture buildup. Suitable for both new door manufacturing and renovation projects in homes, hotels, and light commercial buildings. Compatible with wooden and composite interior doors within specified thickness.

Packaging & Shipping

Standard export packaging. Unit includes brass ventilation sleeve; mounting instructions provided with bulk shipments.