Zentek Ltd. Launches ZenGUARD: Advanced Air Filters for Enhanced Indoor Air Quality
- Zentek Ltd. announced ZenGUARD filters, achieving 42% infectious aerosol removal efficiency, exceeding untreated filters' 16%.
- ZenGUARD filters comply with ASHRAE Standard 241, enhancing air quality without increasing energy consumption or carbon emissions.
- Zentek's innovative filtration technology positions the company as a leader in addressing airborne pathogens and promoting sustainability.

Zentek Ltd. Introduces Advanced Air Filtration Technology with ZenGUARD
Zentek Ltd., an innovative intellectual property technology development company, announces significant advancements in its ZenGUARD Enhanced Air Filters. Recent independent testing by LMS Technologies Inc. confirms that these filters meet the ASHRAE Standard 241 compliance, which is essential for controlling infectious aerosols in indoor environments. The testing reveals that ZenGUARD filters achieve an impressive average infectious aerosol removal efficiency (ePR) of 42% against the bacteriophage MS2, a critical benchmark for evaluating filtration performance against pathogens like SARS-CoV-2. In contrast, untreated filters only reached a mere 16% ePR, demonstrating the superior efficacy of ZenGUARD technology.
The implications of these test results are vital for facility managers and building operators seeking to improve indoor air quality and reduce the risk of airborne virus transmission. ZenGUARD filters not only meet the stringent requirements set by ASHRAE but do so without increasing pressure drop, energy consumption, or carbon emissions. This sustainability aspect is critical, as it allows for seamless integration into existing HVAC systems, eliminating the need for costly upgrades or additional equipment. The filters’ higher ePR translates directly into a higher Equivalent Clean Airflow (ECA), making them a practical and cost-effective solution for enhancing air quality in commercial and residential buildings alike.
Zentek's CEO, Greg Fenton, underscores the importance of this breakthrough, noting that conventional filters often fail to adequately address the challenges posed by airborne pathogens. ZenGUARD is specifically engineered to tackle this issue head-on, positioning the company as a leader in the air filtration industry. With a commitment to improving indoor environments while minimizing operational costs and environmental impact, Zentek's innovative approach not only addresses immediate public health concerns but also aligns with broader goals of sustainability and energy efficiency.
In addition to the promising testing results, the ZenGUARD filters offer a competitive edge in the market. Their ability to enhance air quality without requiring significant infrastructure changes makes them a compelling option for a wide range of facilities, from schools and hospitals to office complexes. As awareness of indoor air quality continues to rise, Zentek stands poised to capitalize on this growing demand.
Zentek's advancements in air filtration technology reflect a proactive response to the ongoing challenges of infectious disease control and environmental sustainability. As the company forges ahead with further developments, it reaffirms its dedication to innovative solutions that benefit both public health and the planet.