The SDA filter from Patona is a highly advanced air purifier filter specifically designed for the Philips models AC3854, AC3858, and AC4236. This filter provides a comprehensive solution for improving indoor air quality. It combines multiple filter technologies to ensure effective air cleaning. The primary filter removes larger particles such as dust, hair, and fibers, while the True HEPA layer is capable of filtering particles as small as 0.3 micrometers, including pollen and bacteria. Additionally, the activated carbon layer neutralizes unpleasant odors and harmful gases such as formaldehyde, benzene, and volatile organic compounds. With this filter, users can expect a noticeable improvement in the air quality of their home or office.

• Primary filter removes larger particles like dust and hair
• True HEPA layer filters particles down to 0.3 micrometers
• Activated carbon layer neutralizes odors and harmful gases.