10 Best Internal Letterbox Draught Excluder

10 Best internal letterbox draught excluder - December 2025

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Last Updated: 01-12-2025

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Stormguard 06SR0310000W internal metal mailbox brush case with cover black, 293 x 77 mm

STORMGUARD

9.8

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STORMGUARD 06SR0310000CH Internal Metal Letter Box Brush Cover with Flap-Chrome, External dimentions 293mm x 77mm, Aperture 256mm x46mm

STORMGUARD

9.6

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Best value

25% Off

Stormguard 06SR0170000BL Metal Letter Box Brush Cover Black, External Size 335mmx75mm

STORMGUARD

9.5

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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

9.2

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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

9.1

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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

8.8

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38% Off

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

STORMGUARD

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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Stormguard 06SR0310000W internal metal mailbox brush case with cover black, 293 x 77 mm

STORMGUARD 06SR0310000CH Internal Metal Letter Box Brush Cover with Flap-Chrome, External dimentions 293mm x 77mm, Aperture 256mm x46mm

Stormguard 06SR0170000BL Metal Letter Box Brush Cover Black, External Size 335mmx75mm

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

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

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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