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Unsolicited Review: Castle Grade N98 respirator. This gets a recommendation from me. TGA approved making it suitable for HCWs. It is comfortable and reusable. Ideal for Australian HCWs who suffer PPE burns from N95 masks, while upgrading aerosol protection castlegrade.com.au 
Initial concerns included that I am not fit-tested by work, but as soon as you put it on you can tell there is reduced air leakage around the mask edges vs. a fit-tested N95. That means ZERO fogging of glasses. The tight seal pushes the air through the front of the respiratory
The acid test is whether I'd wear it working on COVID duties despite not being fit-tested. The answer is YES. There is obvious reduction in air leakage around the mask edges. It would be difficult for work to object to me wearing a TGA approved N98 respiratory instead of an N95
