Resources
Materials for one (1) 20" x 20" Corsi-Rosenthal box:
- Good - 1 x Lasko Weather-Shield Performance Box Fan, 3 Speeds, Innovative Wind Ring System for Up to 30% More Air, Carry Handle for Bedroom, Office, Home, 20 Inch, White, 3720
- Best - 1 x Lasko Air Flex Steel Portable Home Office 3 Speed Air Purifier Machine Box Room Fan with Manual Ergonomic Control Knob and 6 Foot Cord, White
- Good - 1 x BNX TruFilter 20x20x1 MERV 13 (4-Pack) AC Furnace Air Filter - MADE IN USA - Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters - Removes Pollen, Mold, Bacteria, Smoke
- Better - 1 x Nordic Pure 20x20x1 (19_1/2 x 19_1/2 x 3/4) Pleated MERV 14 Air Filters 4 Pack
- Best - 2 x Filtrete 20x20x1 Air Filter, MPR 2800, MERV 14, Healthy Living Ultrafine Particle Reduction 3-Month Pleated 1-Inch Air Filters, 2 Filters