ONA Block Small Size, Large performance The ONA Block is a small quiet workhorse when it comes to odour control. Put it anywhere and unwanted smells will be taken out the air. A small block packed with natural essential oils that are released in a timely manner, neutralising and destroying any airborne odours.
Whether you put it in your gym bag, entrance closet or under your car seat, it will neutralise the strongest odours without being noticed.
