jessel Innovations has designed the letter box INTERIOR DRAUGHT PROOF PLATE... ECOFLAP One could be forgiven if the draught excluding attribute is not believed. No springs, brushes, catches, magnets. Not outward opening, and yet! ...it is the most reliable draught cutter for your letter box that is on the market today - without the clutter. The flap uses the wind to ITS advantage, allowing the wind to blow it SHUT! Don't lose up to 3% of your heat through your front door, save your energy costings. Tested stringently and extremely at 1700 pascals (equiv. 114 mph) and will not blow open. Also closes AGAINST this pressure when air blown through. Stands up to a good soaking at 100 pascals pressure. You'll not be irritated by constant rattling or flapping and even if your outside plate does this, the application of Ecoflap behind the door will improve the performance of the outside letter plate. Think how your precious heat can be safe.
Apr 23 2008 12:34PM
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