The activated carbon refill for The One That Works is sourced from coconut shells, which is highly porous, making it extremely effective at purifying the air within your workspace. Overall, this unique blend gives you:

• A superior green & renewable source of carbon
• Longer life for The One That Works ™ Air Purifier
• Cleaner air to prevent health concerns & complaints

PLEASE NOTE: The activated carbon will become saturated with chemical fumes, and needs to be replaced in your system every 4-6 months, depending on usage.