Zentek Receives Regulatory Update on ZenGUARD Air Filters from Health Canada.

Zentek has received a letter from Health Canada considering the classification of its ZenGUARD Enhanced Air Filters. The company had previously withdrawn its submission for registration under the Pest Control Products Act to pursue a more appropriate pathway to commercialization in Canada.

Guelph, ON / ACCESS Newswire / June 19, 2025 / Zentek Ltd. ("Zentek" or the "Company") (NASDAQ:ZTEK)(TSXV:ZEN), a technology development and commercialization company, has received a letter from Health Canada indicating that the agency is considering the classification of ZenGUARD™ Enhanced Air Filters. This development comes after Zentek withdrew its submission to the Pest Management Regulatory Agency (PMRA) for registration under the Pest Control Products Act, opting instead to pursue a more suitable regulatory pathway for commercialization in Canada [1].

The withdrawal of the application was announced on October 31, 2024, with Zentek stating its intention to market the ZenGUARD™ Enhanced Air Filters as a Class I medical device under its existing Medical Device Establishment License (MDEL), similar to its surgical masks [2]. This change in strategy reflects Zentek's aim to align with a more fitting regulatory category for its innovative air filtration technology.

Zentek's ZenGUARD™ technology has been shown to significantly increase the bacterial and viral filtration efficiency for surgical masks and aims to do the same for HVAC (heating, ventilation, and air conditioning) filters. The company's patented technology platform, developed in collaboration with McMaster University, is focused on making products better, safer, and greener.

The letter from Health Canada invites Zentek to submit additional information regarding the appropriate regulatory classification for ZenGUARD™ Enhanced Air Filters. This process aims to ensure that the product is categorized correctly and can be safely and effectively marketed in Canada.

For further information, investors and financial professionals can contact Zentek's investor relations team at investorrelations@zentek.com or visit the company's website at www.Zentek.com. A copy of this news release and all material documents can be obtained on Zentek's SEDAR+ profile at http://www.sedarplus.ca/.

Reference List:
[1] https://finance.yahoo.com/news/zentek-provides-regulatory-zenguard-tm-214500192.html
[2] https://www.gurufocus.com/news/2949487/ztek-considers-new-regulatory-path-for-zenguard-filters-in-canada-ztek-stock-news