Elevate your indoor air quality with this advanced filtration unit designed to neutralize gases, odours, and invisible pollutants. The Activated Carbon + Cold Catalyst Filter combines high-performance activated carbon with cold-catalyst technology to effectively remove VOCs (volatile organic compounds). Compatible with the Optimal Health air-purifier system, this filter delivers long-lasting protection (recommended replacement every ~3,000 hours) & supports clearer air, better sleep, allergy relief & overall wellness. Source: https://optimalhealth.co/produ....cts/activated-carbon