The Stratus 5 Bacteria Filter is located inside of the Stratus 5 device itself. It needs to be changed every 15,000 hours. Please see our other listings if you are looking for the Stratus 5 Sponge Filter (STR1030) or Stratus HEPA Paper Filter (STR1020).
Included in your package:
The Stratus 5 Bacteria Filter comes in a case of 10.
