Compatible with Dyson tower purifier Pure Cool Link TP01, TP02, TP03, AM11 and BP01, compare to part 968126-03, part numbers: 305158-01, 305159-01, 308400-01, 308401-01 TP01 True HEPA filter with charcoal layer is essential for households with Children, Seniors, Pets, smokers and Asthma sufferers, no more nasty smells in your house TP02 True HEPA filter captures up to 99.97% of particles as small as 0.3 microns in size from your indoor air such as mold spores, pollen, lint, household dust, dander and more The inner activated charcoal layer is designed to reduce strong odors caused by smoke, smog, food, pets, diesel fue and more, it won't re-release particles or odors back into the air Package includes 1 replacement filter, size 7.4" H x 7.4" D. Recommended to replace the filter on average 8-10 months or depend on usage