Verdict: 4.0/5. The Gerson 1745 is a made-in-USA N95 with combined OV/AG nuisance odor relief — convenient for dust plus mild odors, but odor-only. Use cartridges for hazardous gas.
Verdict: 4.3/5. The Gerson 1760 is the made-in-USA valved N99 — 99% non-oil filtration plus an exhalation valve. Skip the valve only for source control; an N95 is cheaper for general dust.
Verdict: 4.4/5. The Gerson 1750 is a made-in-USA N99 molded cup — 99% non-oil filtration, a step above N95 for heavier particulate. An N95 is cheaper for general dust.
Verdict: 4.3/5. The Gerson 1740 is the made-in-USA valved N95 — the 1730 cup plus an exhalation valve for cooler breathing. Skip the valve only for source control.
Verdict: 4.4/5. The Gerson 1730 is a made-in-USA NIOSH N95, FDA-cleared molded cup for non-oil dust — a domestic-sourcing alternative to the 3M 8210. Add a valve with the 1740.
