REMOVAL OF ULTRA-FINE PARTICLES: Filtration removes up to 99.97% of airborne particles as small as 0.3 microns, including smoke, dust, pollen, pet dander, mold spores and dust mite debris. ODOR REMOVAL: Inner carbon layer is specifically designed to prevent the re-release of particles or odors back into the air, ensuring that the air in your home remains fresh, clean, and free from any unwanted pollutants. REPLACEMENT SCHEDULE: Recommended to replace every year for maximum efficiency, or more often depending on air quality and environmental factors. WHAT'S INCLUDED: One (1) Replacement Filter COMPATIBILITY: Compatible with Dyson Pure Hot+Cool Link HP02 purifying heater + fan Dyson Pure Hot+Cool HP01 purifying heater + fan Dyson Pure Cool Link DP01 desk fan. Compatible with filter part number 968125-03 Introducing the Filter Monster replacement filter compatible replacement for Dyson Pure Cool DPO1, DP03; Dyson Pure Hot+Cool HP00, HP01; and Dyson Pure Hot+Cool Link HP02, HP03 Air Purifiers. Filter Monster's filter is highly effective in removing various airborne pollutants such as smoke, dust, pollen, pet dander, mold spores, and dust mite debris from the air.