The BioBoost Nest media has a five-year warranty.
BioBoost Nests with aeration contain rubber membrane diffusers integrated into the media; the diffusers have a one-year warranty.
Any auxiliary equipment (including compressor, airline, etc.) used to run a BioBoost Nest will have a warranty established by the equipment manufacturer, typically lasting from one to three years. Please consult with the equipment manufacturer for details.