ONA Blocks

Size: Apple Crumble


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.  

  • ONA Block – Odour neutraliser in solid form.
  • Ideal for small enclosed spaces.
  • Permanently removes unwanted odours from the air.
  • Not a masking agent, but a genuine odour neutraliser.
  • Safe to use around people, pets and plants.
  • ONA Blocks can be used in conjunction with ONA Air Filters to neutralise odours in your ducting.

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