The Exitex Internal Letterbox with Flap is a quick and efficient solution for improving home insulation and reducing energy loss. Designed for easy installation, it can be fitted in just 5 minutes, helping to minimize up to 35% of heat loss through your letterbox. Built for durability and performance, this product comes with a 5-year guarantee, making it a reliable choice for enhancing comfort and energy efficiency in your home. The Exitex Internal Letterbox with Flap is a quick and efficient solution for improving home insulation and reducing energy loss. Designed for easy installation, it can be fitted in just 5 minutes, helping to minimize up to 35% of heat loss through your letterbox. Built for durability and performance, this product comes with a 5-year guarantee, making it a reliable choice for enhancing comfort and energy efficiency in your home.

• Fit it in 5 minutes
• Up to 35% less heat loss
• 5 year gaurantee