More recently, the Tesla Model X has been attributed to have the world's first HEPA-grade filter.
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Make sure your vent is on at full tilt and you use the highest grade filter in it you can lay your hands on ( I've seen some pretty high grade composite ones in Europe ).
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Using a four layer filtration 3 litre dust bag, ( also with the bag door forming part of the underside of the machine ) and similar Hospital grade filter system developed on the C series, the K series was also awarded with the British Allergy Foundation seal of approval and carried on with the AirBelt Clean Air diffuser design.
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