ONA Odor Neutralizing Agent has been solving problematic odors with great success since it arrived on the market in 1995.
Formulated from essential oils, it will tackle the most difficult odors and literally eliminate them - no masking - no coverup - just neutralization and elimination. The odors are gone.
This reputation for effectiveness has caused hydroponic gardeners around the world to use it successfully, and they keep coming back for more.
The ONA Block is ideal for small areas such as closets, foyers, attics, cars, gym bags, boats, kitchens, garbage cans, cupboards or vents. Simply remove the cap, or punch several small holes in the cap and place in desired location. The ONA Block measures 3" x 3" and will fit in most places.
The ONA Block will release its powerful odor neutralizing agent and keep the location free from undesirable odors. Replace as necessary.