Dual Keyset for Magflap® MK3 Lockable Letterbox Draught Excluder (MK3 Models)
Dual Keyset for Magflap® MK3 Lockable Letterbox Draught Excluder (MK3 Models)
Will it fit? Specs, fitting & add-ons
Will it fit? Specs, fitting & add-ons
✅ Enhanced Security – Prevents external access or fishing attempts through the letterbox
✅ Internal Manual Lock – Lock and unlock from inside your home with the turn of a key
✅ Dual-Key Access – Comes with 2 keys.
✅ Designed for MK3 Compatibility – Fits seamlessly with all MK3 Magflap models (horizontal & vertical)
✅ Slimline Profile – Sits flush in the Magflap, maintaining a minimal internal look
✅ Quick DIY Installation – Installs in minutes with basic tools, no locksmith required
✅ Anti-Rattle & Quiet Operation – Locks the flap in place to reduce movement and sound
✅ Ideal for Night-time Locking – Secure your letterbox overnight or when away
✅ Discreet and Durable – Black powder-coated steel blend matches Magflap aesthetic
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EASY USE
Versatile Installation
Can be fitted internally or externally, offering flexibility for various door types. Can be fitted by you or a trusted installer, see our guide below.
Proven Thermal Technology
The magnetic seal keeps warm air in and cold draughts out, all year round.
FUSS FREE
Brushless Design
All of our products are brushless. Our perfectly balanced Magman strength magnets eliminates the need for bristles, ensuring a smoother, longer-lasting performance.
The Iconic
Magman® Seal
A strong magnetic seal ensures no gaps for air to seep through, preventing draughts all year round.
carefully crafted since 2009
Family Owned
Our mission is to restore the brilliance of British craftsmanship.
1 Year Warranty
Not only does our product come with a 1 year warranty, if you move house and remove your Magflap you can send it back to us to be refurbished ready to install at your new home. Our refurbishment service is £20, including postage to us and back.
Proudly
Made in the UK
Proudly manufactured to the highest standards of quality not just in our products but our service too.
Eco freindly
Cork Gaskets
Made with cork gaskets to reduce plastic use and provide a more eco-friendly solution.