Keypak 12" (30.6cm) Sleeved Letterbox – Fits 20–40mm Doors (Black/White)

Enhance your door's functionality with our internal draught excluder letterbox. Featuring integrated brushes to block draughts and an internal water seal to prevent leaks, it ensures your home stays comfortable and dry. The anti-snap flap opens a full 180 degrees, allowing easy access and reducing the risk of damage. With an adjustable sleeve, this letterbox fits doors 20mm to 39mm thick, making it suitable for most uPVC, composite, and timber doors. The 12" length ensures a perfect fit for your needs.

ADJUSTABLE DESIGN: Postport letterplate fits door thicknesses from 20-39mm

DURABLE MATERIALS: Black frame and white flap crafted from robust, weather-resistant components

CLASSIC AESTHETIC: Timeless black and white color combination suits various door styles

COMPLETE KIT: Includes all necessary mounting hardware, installation jig, and instructions

VERSATILE: Ideal for a wide range of exterior door types, materials, and designs

Next working day delivery or 48-hour service on orders placed before 3pm (Mon–Fri).
Free delivery on orders over £50. A £3.99 delivery charge applies to orders under £50.