I've always been a fan of the Swedish Skyddsmask 90, but it's the Swiss Schutzmaske 90 that is my actual favorite. it's slimmer, offers a better FOV, has flat buckles for the
Odour Mask FFP2 With Valve - PureNature
Tesoro Respirator Mask for General Safety with Clear Protective Eyeware Goggles, 10 Replacement Filters - Walmart.com