Ecoflap is a new British invention that stops draughts coming through the letter box.
Basically, an Ecoflap will replace the brushes, seals and outward opening gravity flaps on the inside of the letter box, used to help keep draught out. It helps to save energy. Ecoflap is totally draught proof and adjusts automatically to size of delivery - UP to A4 and thickish newspapers/mags.etc.
Sizes - width 295mm (11.5"). This will cover most bolts that secure front letter flaps.
There is also a 20mm (0.75") wide flange around the Ecoflap to cover any uneven/or untidy hole cuts, once the existing draught barrier is removed. This will also house the Ecoflap fixing screws. Recommended 3.5mm x 12/15mm countersink N.B Adhesive e.g. kitchen / bathroom sealant, may also be used on metal doors or if generally preferred.

The Ecoflap will accommodate post up to 260mm (10.25") wide and 42mm (approx 1.75") high.