Okrągła Tuleja Wentylacyjna Drzwiowa 40mm Metalowa Brass Finish do Drzwi 39-43mm

Product Overview

The Tuleja wentylacyjna drzwiowa okrągła fi 40 is a round metal ventilation sleeve designed for installation in interior doors. With an outside diameter of 40 mm, it is suitable for doors with a thickness between 39 and 43 mm, serving residential and light commercial spaces with basic airflow needs.

This SKU distinguishes itself by its specific diameter (40 mm), allowing straightforward installation in standardized pre-drilled holes or after-market upgrades where consistent bore size is required. Door manufacturers and fit-out contractors benefit from reduced risk of misfit and time-consuming adaptation, making this product ideal for bulk procurement in residential construction or refurbishment projects.

Key Features

• 40 mm diameter ? fits standard circular cutouts in door panels


• Suitable for 39-43 mm door thickness ? supports most common interior doors


• Metal construction ? resists deformation and provides long service life


• Simple round design ? unobtrusive appearance for multiple décor styles


• Quick installation ? press-fit into pre-drilled holes reduces labor


• Brass finish (mosiądz) ? corrosion resistance and decorative look

Technical Specifications

• Material: Metal


• Finish: Brass (mosiądz)


• Outside Diameter: 40 mm


• Door Thickness Compatibility: 39-43 mm

Applications

Used in interior doors in residential buildings, hotels, hostels, and light commercial spaces to provide passive airflow between rooms. Suitable for new doors or retrofitting ventilation in existing door leaves with 39-43 mm thickness. Commonly applied where improved air exchange or humidity control is required without compromising privacy or security.

Packaging & Shipping

Standard export packaging. Unit includes one ventilation sleeve ready for installation.