ONA Blocks

The Grow Superstore Verified independent store

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The ONA Block is small regarding odour control, you can put it anywhere, and unwanted odours will be taken out of the air. ONA Block is a small block containing natural essential o ils that are released, destroying and neutralising any smells. Air neutraliser in solid form. Ideal for small spaces. Permanently removes unwanted smells from the air. It is not a masking agent but a genuine odour neutraliser. Safe to use around pets, plants and people. ONA Blocks can be used with ONA Air Filters to neutralise odours in your ducting. Show more