Internal Letter Box Brush Seal

Stop unwanted draughts and improve insulation around your letterbox with our internal letter box brush seal. This practical accessory is designed to fit neatly behind your existing letter plate, creating an effective barrier against cold air, dust, and noise. Featuring dense brush bristles, it allows mail to pass through easily while maintaining a tight seal.

Available with or without a flap, you can choose the option that best suits your needs and aesthetic preferences. Made from durable materials, it's a simple yet effective solution for enhancing the comfort and energy efficiency of your home.

• Effectively seals letterboxes against draughts and dust.
• Improves home insulation and reduces noise.
• Dense brush bristles allow easy mail passage.
• Available with or without a protective flap.
• Easy to install behind existing letter plates.