Not into earloops, consumer products or foreign standards.. Current in stock, ships from/sold by Amazon.com picks would be:
https://www.amazon.com/dp/B095DVPTCT?m=ATVPDKIKX0DER
https://www.amazon.com/dp/B005KLZAYU?m=ATVPDKIKX0DER
https://www.amazon.com/dp/B008MCV6Q0?m=ATVPDKIKX0DER
https://www.amazon.com/dp/B008MCUZZS?m=ATVPDKIKX0DER
https://www.amazon.com/dp/B07571LL9K?m=ATVPDKIKX0DER
https://www.amazon.com/dp/B007ZUDVC2?m=ATVPDKIKX0DER
Indeed. Lots of great NIOSH-approved respiratory protection products up on Amazon. Distribution partner for 3M Halyard. Stick with major domestic brands and "ships from, sold by amazon.com" items only. Avoid marketplace sellers, foreign manufacturers, and foreign standards (KN95, KF94, FFP2 are risky bets) -- Current in stock recommendations:
https://www.amazon.com/dp/B095DVPTCT?m=ATVPDKIKX0DER
https://www.amazon.com/dp/B008MCV6Q0?m=ATVPDKIKX0DER
https://www.amazon.com/dp/B008MCUZZS?m=ATVPDKIKX0DER
https://www.amazon.com/dp/B07571LL9K?m=ATVPDKIKX0DER
https://www.amazon.com/dp/B007ZUDVC2?m=ATVPDKIKX0DER
https://www.amazon.com/3M-50051131070238-Disposable-Particulate-Respirator/dp/B07571LL9K/
I wear these daily and they're cheap, the 3M Aura 9205 doesn't fit me.