Article number: 8714634051414 View all from RiZZ > View more: Draught excluder > Rizz - Letterbox brush with flap - Brown With a letterbox brush you can easily keep outside. Double protection by the brush and flap, which completely closes the letterbox. This attractive letterbox closer is easy to attach to the inside of the front door. Product specifications Letterbox brush with flap - Brown - with flap - brown Article description Letterbox brush with flap - Brown Article number 8714634051414 Version with flap - brown Color Brown Color Brown Product type With brush and flap Self-adhesive No Country of origin Netherlands Dimensions: External dimensions: 86 x 345 mm Internal dimensions: 50 x 275 mm Environmental information about Letterbox brush with flap - Brown Sealing seams and cracks in a corner house or semi-detached house saves around 70 m3 of gas per year. With the current and rising gas price, this quickly amounts to a saving of 60 euros. Because the draft stays outside and the house feels cooler, you can turn down the thermostat by one degree, which can save you €110 per year. This can sometimes save you as much as €170 per year.