The Spear & Jackson Hepa Filter is designed to fit the Spear & Jackson 48845 2 in 1 Air Purifier and Dehumidifier. It effectively cleans the air in your home and removes excess moisture, resulting in improved air quality. This replacement filter has a lifespan of up to 2200 hours, which is approximately six months if used for eight hours a night. The filter change indicator ensures that you know when it's time to replace the filter. By trapping harmful particles like pollen, pet dander, dust mites, and tobacco smoke, this HEPA filter aids in allergy relief. It is compatible with the Spear & Jackson 2 in 1 Air Purifier and Dehumidifier, reducing humidity levels, deterring household pests, and further enhancing air quality. This filter measures 16.8 x 3.8 x 18.6cm.