Zentek Announces Independent Test Results Validating ZenGUARD™ Enhanced Air Filters for ASHRAE Standard 241 Compliance

ZTEK
November 01, 2025

Zentek Ltd. announced new independent test results validating its ZenGUARD™ Enhanced Air Filters as a high-performance solution for ASHRAE Standard 241 compliance.

The tests compared the viral filtration efficiency (VFE) of ZenGUARD™ Enhanced Air Filters against the bacteriophage MS2 to equivalent Minimum Efficiency Reporting Value (MERV)-rated filters without ZenGUARD™.

These results confirm the superior performance of Zentek's technology in viral filtration, which is crucial for market adoption in health-conscious environments and aligns with industry standards for air quality.

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