Shark NeverChange5 Air Purifier Compact Pro - White | HP072UKNeverChange5 filter no need to replace the HEPA filter for up to 5 years, saving up to 200 in replacement costs 4 layer filtration DebrisDefence pre filter, Pet Particle Barrier, Activated Carbon and NanoSeal HEPA in one unit Captures 99. 97% of allergens and irritants including dust, pollen, pet dander and fine particles down to 0. 1 0. 2 microns Anti Odour Technology neutralises cooking and household odours while releasing a fresh scent Clean Sense