For sale: Single, not double, used and clean aluminum windows. Sizes are in the pictures. And iron windows (burglar grilles) for the same aluminum windows, and their sizes are in the pictures. Also, 3 large empty carbon dioxide fire extinguishers, an Aqua Hot 30-liter water heater, a national sink with a mixer, an English concealed valve, and hoses. Selling in bulk, especially the windows. Bids on the public forum.