10 Best Letterbox Draught Excluders Internal

10 Best letterbox draught excluders internal - December 2025

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Last Updated: 03-12-2025

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Exitex Internal Letterbox Draught Excluder with Flap, Aluminium Plate with Bristle Seal, Spring Closing Flap, Reduces Draughts & Dust, Saves Energy, Easy 5 Min Fit for Standard Letterboxes (Gold)

Exitex

9.8

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STORMGUARD 06SR0310000G Letter Box Cover with Brush & Flap for Internal OR External Use-Gold Finish, External dimension 293 x 77mm

STORMGUARD

9.6

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Best value

15% Off

Internal Letterbox Draught Excluder 13.5 Inch (34.2cm) PVC Draught Letter Plate Seal Letter Box Flap - Prevents Draughts Coming Through The Letter Box - for Wooden or uPVC Doors - White with Flap

ZAVIA

9.5

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15% Off

Internal Letterbox Draught Excluder 13.5 Inch (34.2cm) PVC Draught Letter Plate Seal Letter Box Flap - Prevents Draughts Coming Through The Letter Box - for Wooden or uPVC Doors - Brown with Flap

ZAVIA

9.2

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KWJEIULSOQ Letter Box Flap with Brush 11.5in, Silver Aluminum Alloy Internal Letterbox Draught Excluder, Suitable for 40-80mm Thickness Wooden Doors, PVC Doors, Home and Office Composite Doors

KWJEIULSOQ

9.1

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38% Off

Letter Box Cover with Brush & Flap for Internal OR External Use - Silver Finish

STORMGUARD

8.8

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5% Off

Merriway BH05980 StormSeal Letter Mail Box Brush Cover Draught Excluder for Internal Use, 343 x 80mm (13.1/2 inch x 3.1/8 inch) - White

Merriway

8.6

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3% Off

Merriway BH05981 StormSeal Letter Mail Box Brush Cover Draught Excluder for Internal Use, 343 x 80mm (13.1/2 inch x 3.1/8 inch) - Brown

Merriway

8.4

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STORMGUARD 06SR0150000W Internal PVC Letter Box Brush Cover-White, Aluminium, External dimentions 335mm x 75mm Aperture 279mm x45mm, White

STORMGUARD

8.2

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Internal Letter Box Draught Excluder Cover With Brushes & Flap - White PVC

STORMGUARD

8.1

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Exitex Internal Letterbox Draught Excluder with Flap, Aluminium Plate with Bristle Seal, Spring Closing Flap, Reduces Draughts & Dust, Saves Energy, Easy 5 Min Fit for Standard Letterboxes (Gold)

STORMGUARD 06SR0310000G Letter Box Cover with Brush & Flap for Internal OR External Use-Gold Finish, External dimension 293 x 77mm

Internal Letterbox Draught Excluder 13.5 Inch (34.2cm) PVC Draught Letter Plate Seal Letter Box Flap - Prevents Draughts Coming Through The Letter Box - for Wooden or uPVC Doors - White with Flap

Internal Letterbox Draught Excluder 13.5 Inch (34.2cm) PVC Draught Letter Plate Seal Letter Box Flap - Prevents Draughts Coming Through The Letter Box - for Wooden or uPVC Doors - Brown with Flap

KWJEIULSOQ Letter Box Flap with Brush 11.5in, Silver Aluminum Alloy Internal Letterbox Draught Excluder, Suitable for 40-80mm Thickness Wooden Doors, PVC Doors, Home and Office Composite Doors

Letter Box Cover with Brush & Flap for Internal OR External Use - Silver Finish

Merriway BH05980 StormSeal Letter Mail Box Brush Cover Draught Excluder for Internal Use, 343 x 80mm (13.1/2 inch x 3.1/8 inch) - White

Merriway BH05981 StormSeal Letter Mail Box Brush Cover Draught Excluder for Internal Use, 343 x 80mm (13.1/2 inch x 3.1/8 inch) - Brown

STORMGUARD 06SR0150000W Internal PVC Letter Box Brush Cover-White, Aluminium, External dimentions 335mm x 75mm Aperture 279mm x45mm, White

Internal Letter Box Draught Excluder Cover With Brushes & Flap - White PVC

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