The ONA block is ideal for small areas such as closets, fireplaces, attics, cars, sports bags, boats, kitchens, trash cans, closets or vents. Simply remove the cap or drill several small holes in the cap and place it in the desired location. The ONA block measures 3 inches x 3 inches and will fit most places. The ONA block will release its powerful odor neutralizing agent and keep the location free of unwanted odors.
