The Wallair telescopic round duct wall box 25 with backdraft damper is an efficient solution for modern ventilation systems. This wall box is telescopic and offers a maximum length of 55 cm, allowing for flexible installation. It is specifically designed for use with a duct diameter of 12.5 cm and ensures reliable air circulation while the integrated backdraft damper prevents the ingress of unwanted air. Made from high-quality stainless steel, this wall box combines durability with an appealing design. The use of stainless steel as a material not only ensures high resistance to weather conditions but also contributes to energy efficiency by minimizing heat losses. This wall box is an ideal choice for anyone who values effective and sustainable ventilation.

• Telescopic up to 55 cm for flexible installation options
• Integrated backdraft damper to prevent drafts
• Made from high-quality stainless steel for durability
• Energy-saving design to minimize heat losses.