Air Purifier Spares- Boneco- Hepa & Carbon filter Hepa filter to be changed every six months, Carbon filter to be changed every 12 months Price: £48.30 incVAT The HEPA (High Efficiency Particulate Air) filter in association with an active carbon filter removes the smallest of airborne particles including pollen, dust, animal hairs, mites, smoke and odours. To be used with the Boneco Air Purifier. IN STOCK NOW. FREE MAINLAND UK DELIVERY IN 2-3 WORKING DAYS.