MILA Slim Master uPVC Letterbox | 36-70 - 316mm Wide | Also Suitable For MJ Slimline

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MILA Slim Master uPVC Letter Box 36-70 - 12 inch - 316mm Wide - also suitable for Munster joinery slimline replacements


Slim Master Letter Box

Measuring 316mm x 50mm and as the slimmaster name suggests this weather resistant letterplate will make a great addition to the narrow mid-rail or bottom of any door. Telescopic sleeves also provide an easy-to-install, attractive finish to doors with thicknesses varying between 36-70mm.


Black, Gold, Silver, White

MILA Slim Master uPVC 12 inch Letter Box 36-70 – 316mm Wide

It is said that your front door is the handshake to your home, it is one of the first things that visitors see when they come to your house and it can give a great wow first impression or an oh, hmm.  You can give your door a whole new look and a facelift with a new letterbox and new door handles.  We have an array of letterboxes for uPVC doors, Timber doors, aluminium doors, composite doors and also porch or sliding doors.

Slim-Line All Metal Upvc Door Letterbox in White, Matt Gold (anodised) and Matt Silver (anodised) an black


  • Width: 12 inches – 316mm
  • Height: 50mm
  • Sleeve Width: 269mm
  • Sleeve Height: 38mm
  • Sleeve Telescopes Aperture Depth (mm) Min. 36, max. 70
  • Draught Seals Closed cell foam gasket – external
  • Draught Seals Nylon brush seals – internal
  • Screw fixing centres 292mm (centre to centre of screw holes)


  1. Matt Gold (anodised)
  2. Matt Silver (anodised)
  3. White
  4. Black

Suits door apertures (letterbox opening)where routing detail is into slim profile doors.

If you have queries on any of our products or if the part you require is not on our site please use our CONTACT FORM to send us a picture or part number of the part you need, we will get back to you and get you sorted ASAP.  Click HERE for the returns form.  This MUST be filled out and all returns must come with these returns for, otherwise, we cannot accept them.

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Black, Gold, Silver, White

1 review for MILA Slim Master uPVC Letter Box 36-70 – 12 inch – 316mm Wide – also suitable for Munster joinery slimline replacements

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  1. Donncha (verified owner)

    Ordered this letter box in black. It looks very stylish. It fits my door really well. Its much better quality letter box than the one which I had previously.

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(1 customer review)