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$$46.94 () Includes selected options. Includes initial monthly payment and selected options. Details
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ONA Block PRO 175 G

4.2 out of 5 stars 371 ratings

$46.94
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Purchase options and add-ons

Brand Ona
Item dimensions L x W x H 7.1 x 7.1 x 7.9 centimetres
Unit count 175.0 gram
Number of items 1
Manufacturer Odorchem

About this item

  • ONA Polar Crystal
  • ONA block permanently removes unwanted odours from the air
  • The ONA block is a small quiet workhorse
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Product description

Solid wax odour neutraliser, ideal for small to medium areas. ONA block permanently removes unwanted odours from the air. It is not a masking agent, but a real odour neutraliser. Ona Block is non-toxic, environmentally friendly, organic and safe to use around people, pets and plants. ONA blocks can be used in conjunction with odor control channels to neutralise odours in your line. The ONA block is a small quiet workhorse when it comes to odor control. It can be placed anywhere and forgotten until the smell returns. A small wax block with 32 essential oils that are released in time, neutralises and destroys all odours in the air. It leaves nothing behind to show that odours were present. The life of the Ona block varies but it will be effective for about 4 weeks in terms of airflow and the environment around the block.

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4.2 out of 5 stars
371 global ratings

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  • Je n’ai pas reçu ce produit mais un bidon d’un litre à sprayer. Erreur de produit donc !
    1.0 out of 5 stars Erreur de produit !
    Reviewed in Belgium on 29 December 2024
    Verified Purchase
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    Je n’ai pas reçu ce produit mais un bidon d’un litre à sprayer. Erreur de produit donc !
    1.0 out of 5 stars
    Erreur de produit !

    Reviewed in Belgium on 29 December 2024

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  • Cliente Amazon
    5.0 out of 5 stars Ottimo
    Reviewed in Italy on 11 February 2025
    Verified Purchase
    Consegna perfetta, prodotto più che efficace e estremamente durevole , ottimo rapporto qualità prezzo
  • Alain
    5.0 out of 5 stars Ona block 170gr
    Reviewed in Spain on 3 December 2024
    Verified Purchase
    Perfecto un ambientador de carbón activo,desaparecen todas las olores,yo utilizo en arenero gata,y desapareció el olor para mi el mejor ambientador para los malos olores
  • bog
    5.0 out of 5 stars Never disappointed by Ona
    Reviewed in the United Kingdom on 3 February 2019
    Verified Purchase
    Used it in the past in greenhouse and the results were as expected. Now I've order it again after years for different purposes and I was surprised to find that the product is still available. Quality is the same and this might be the best odour gel on the market.
    Customer image
    bog
    5.0 out of 5 stars
    Never disappointed by Ona

    Reviewed in the United Kingdom on 3 February 2019
    Used it in the past in greenhouse and the results were as expected. Now I've order it again after years for different purposes and I was surprised to find that the product is still available. Quality is the same and this might be the best odour gel on the market.
    Images in this review
    Customer image
  • Client d'Amazon
    5.0 out of 5 stars Efficacité
    Reviewed in France on 11 February 2020
    Verified Purchase
    Parfait juste ce que l'on attend de ce produits