The main endorsement of the British Allergy Foundation is the Seal of Approval Award, which is given to products that specifically restrict or remove allergens from the environment of allergy sufferers and can be scientifically tested with measurable results. The type of products that currently hold the Seal of Approval Award include vacuum cleaners, steam cleaners, bedding, flooring/carpets, air cleaners, filtration and ventilation systems and professionally applied treatment systems.

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