Keep your Blueair 402 HEPASilent Air Purification Unit at its optimal performance level with the Blueair 402 HEPASilent Air Purification Unit Particle Replacement Filter. (The 402 has only one filter element that requires replacement).

• One (1) Complete Filter Change including one (1) Standard HEPASilent filter
• Polypropylene (traps particles)

Click Here to find information about the Smoke Odor Reduction filter with more activated carbon.