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Trellidor, available from American Property Protection, Davenport, Fla., is a fully framed expanding security door that expands to secure the whole of the frame. When access is required the unit is unlocked and the grille parted. It retracts to 15 percent of its original size, stacking neatly to optimize space. The doors are anti-corrosive and can be purchased in a range of UV resistant colors.
For free information circle 251 or visit www.secmag.com/webcard


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