Blue Air 400 Series SmokeStop Filter (402SmokeStopFilter)

Blueair 200 Series Particle Filter -- 1 Filter (689122000411)

Blueair 400 Series Particle Filter 402PF (689122000138)

Blueair HEPA Carbon Filter for 200 Series Units

Blueair Replacement Particle Filter for Blueair 500/600 Series Air Purifiers, Set of 3 (F500600PA)

MPN = Manufacturer Product Code
UPC = Unique (or Universal) Product Code

These are historic prices for products by Blueair. Follow the links above to see a product's price history, including lowest, highest and average prices, from the Blueair brand over time.