The 1203 ? Horizontal Front Extension Sleeve is a purpose-made accessory for Timloc telescopic underfloor ventilators. It fits between the airbrick and upper front opening of the ventilator, allowing it to accommodate external walls of more than 102.5mm thickness, up to a maximum of 215mm.

Product Features:

• Purpose-made accessory: Eliminates the need for on-site modifications.
• Lightweight and easy to handle: Makes installation simple.
• Durable and totally resistant to decay: Ensures long-lasting performance.
• Does not restrict airflow: Maintains optimal ventilation through the main telescopic underfloor ventilator.

This extension sleeve is a practical solution for extending the reach of your Timloc underfloor ventilator, ensuring effective ventilation even in thicker walls.