Heaven fresh naturopure hf 300c purifies the air in rooms up to 46 msup2 500 ftsup2 using a unique 6 stage filtration process hepa filter activated carbon filter anti bacterial pre filter air ionizer germicidal uv lamp and sanitizer for neutralising more powerful odours additional filters for the hf 380 available to buy separately from babysecuritycouk features true hepa filter for the most effective protection against dust amp allergens recommended by depart