[PA Engineer]

That was for MERs. Another guidance post from Stanford came out that seems a bit excessive at 170 for 30 minutes.

Soiiw CH-360T Heat Sterilizer 300W 1.5L w/Timer Disinfection Box Manicure Pedicure SPA Salon Equipment for Sundry Beauty Hair Nail Metal Tools with Handle



They are restocked. If you rely on masks, this is an affordable option.

[grey_whiskers]

Also, IIRC, Stanford's study showed the masks lost 4% effectiveness at each successive heating (which *compounds*.

84.9% after 4 times; that's as low as I'd go...