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Cleaning and disinfection of ventilation and air-conditioning systems

Dirt, bacteria, mold and germs can quickly accumulate in air-conditioning systems without adequate hygiene measures. To prevent this and to ensure that air-conditioning systems function consistently and effectively, they must be cleaned and disinfected regularly and as required. This also applies to other secondary air units such as air washer or air purifier. To keep your room air perfectly fresh, we offer you the right products.


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Disinfectant FIX & DES bulk 7.5*

Broad-spectrum disinfectant for disinfection of surfaces

bactericidal – fungicidal – virucidal

  • extremely fast acting disinfectant for air-conditioning systems
  • scientifically proven to be safe against enveloped viruses (SARS-CoV-2 viruses)
  • furthermore: also suitable for hand disinfection (dermatologically tested “excellent”)
  • complies with EN 1499:2017 “hygienic handwash” (phase 2, step 2)**
  • ready-to-use without adding water


Spray on air-conditioning systems and allow to dry. The ideal exposure time is 15-30 minutes.

Advantages over alcohol-based disinfectants:

does not lead to corrosion, odourless, water-based, without chlorine, pH-neutral, non-flammable, non-explosive, safe and long-term storable, no hazardous material.
Practical: FIX & DES bulk 7.5 is also available in travel size (100 ml).

Suitable accessories


viral-clin broad spectrum disinfectant cleaner

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differ from original.

Disinfectant cleaner viral clin

Ready-to-use solution for disinfection and cleaning of surfaces

bactericidal – fungicidal – virucidal

  • extremely fast-acting broad-spectrum disinfectant cleaner
  • effortlessly cleans soot, dust, grease and oil from any refrigeration and air-conditioning system in buildings, ensuring a longer service life and lower energy consumption
  • very good cleaning performance: reaches even hard-to-reach places due to its particularly good creeping properties
  • high material compatibility due to the absence of AOX and silicones
  • scientifically proven to be safe against enveloped viruses (SARS-CoV-2 viruses)
  • dermatologically tested (“excellent”)
  • Ready-to-use without adding water.


Spray the solution on air-conditioning system. The ideal exposure time is 15-30 minutes. Do not use the product together with other biocides or cleaning products!

Hazard statement:

Causes serious eye irritation.

Your opinion is important to us!

We are happy about feedback on our the disinfectant cleaner and the order process.

Our motivation is to produce especially economical and effective products which make work enjoyable. Please recommend us to others!

*Harmful to aquatic life with long lasting effects.

**FIX & DES bulk 7.5 has been successfully EN1499 tested by the possible EN standards for testing hand disinfectants in the medical field (CEN TC 216, WG 1) phase 2 level 2 (EN 1499, EN 1500 or EN 12791)***.

***No medicinal product.

****CARELA® biocidal products contain exclusively biocidal substances in accordance with the Article 95 list (ECHA).
Use biocides safely. Always read the label and product information before use.