Filter-Monster – Replacement HEPA Filter - Compatible with Blueair 411 Particle and Carbon Filter for Blueair Pure 411, 411+, 411 Auto, and 411 Mini Air Purifiers | Price history
Price change log
10/05/2022: $17.99
10/04/2022: $14.99
09/21/2022: $17.99
08/30/2022: $17.95
07/23/2022: $14.99
01/07/2022: $17.99
12/31/2021: $29.95
09/02/2021: $17.99
08/30/2021: $17.75
11/29/2020: $17.99
11/19/2020: $29.95
10/19/2020: $17.99
09/09/2020: $29.95
09/08/2020: $17.99
09/07/2020: $29.95
08/31/2020: $17.99
08/30/2020: $29.95
06/12/2020: $17.99
03/31/2020: $29.95
01/22/2020: $17.99
01/09/2020: $29.95
08/30/2019: $17.99
Product Stats
Current price$17.99
Since 18 months
Average price$18.86
Based on 4 years
Lowest price ever$14.99
20 months ago
Highest price ever$29.95
2 years ago