Costco has these $50 off until 1/21/21. Not made in the US if it matters to you. Has CDC approval as an N95. Shipping is free.
Approved for Medical Use
Face-to-Mask Sealing Edge Design Minimizes Inhaled Air Leakage at the Edges
Provides ?95% Filtration Level with a Particle Size of 0.3 Microns
Adjustable Nose Piece and Head Straps for Tight Fit
The kn95 ones are $25 off at $75 if you are looking for that also.