Zentek Validates ZenGUARD Enhanced Air Filters for ASHRAE Standard 241 Compliance with High-Performance Test Results

Thursday, Jun 12, 2025 8:17 am ET1min read

Zentek Ltd. has announced new test results validating its ZenGUARD Enhanced Air Filters as a high-performance solution for ASHRAE Standard 241 compliance. The filters achieved an average infectious aerosol removal efficiency of 42% compared to an untreated filter's 16%. These strong results align with previous tests performed with bacteriophage Phi6, a surrogate for SARS-CoV-2 and other enveloped viruses. ZenGUARD Enhanced Air Filters are the only technology that can control infectious aerosols while working with existing HVAC units, extending filter life, and reducing changeout frequency.

Zentek Validates ZenGUARD Enhanced Air Filters for ASHRAE Standard 241 Compliance with High-Performance Test Results

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