Replaceable carbon filter for the biOrbAIR.Replace filter every 6 months so it can continue to absorb aerosols.Easy, mess free installation.The air filter cartridge is designed for the biOrbAIR. It is an open cell reticulated polyether based polyurethane foam, which has been post treated with activated carbon. No handling of activated carbon is needed offering a mess free experience. It is recommended to change the air filter cartridge every six months for optimum performance.
