Alex Kessler 12/16/25 Alex Kessler 12/16/25 Part 1: I wasted $2000 on HEPA purifiers (here's why) Read More Alex Kessler 12/16/25 Alex Kessler 12/16/25 Part 2: The particle size myth HEPA companies sell you Read More Alex Kessler 12/16/25 Alex Kessler 12/16/25 Part 3: How two engineers solved the air purifier problem Read More Alex 9/15/24 Alex 9/15/24 Traveling with Mold Illness/Multiple Chemical Sensitivity Tips for choosing healthier airbnbs and hotels when traveling. Read More
Alex Kessler 12/16/25 Alex Kessler 12/16/25 Part 1: I wasted $2000 on HEPA purifiers (here's why) Read More
Alex Kessler 12/16/25 Alex Kessler 12/16/25 Part 2: The particle size myth HEPA companies sell you Read More
Alex Kessler 12/16/25 Alex Kessler 12/16/25 Part 3: How two engineers solved the air purifier problem Read More
Alex 9/15/24 Alex 9/15/24 Traveling with Mold Illness/Multiple Chemical Sensitivity Tips for choosing healthier airbnbs and hotels when traveling. Read More