The "DX" model features an even deeper, 3.5" thick 18 lb. carbon filter for even more adsorption of odors, volatile organic chemicals (VOC's),

Also features a powerful micro-HEPA wrap filter (rated 99%  for particles 0.1 microns in size), and an easy-clean pre-filter.

The 4000 DX is perfect for home, office, art studios, funeral homes, school laboratories, or any smaller space where serious air cleaning is desired.

QUICK FACTS:

• 10 Year Warranty (motor), 5 year-parts (cord, switch, wheels, etc)

• Room size: 1200 sq ft

• CFM (cubic feet per minute): 400

• 3.5" thick 18 lb. carbon filter for for effective odor / chemicals removal, a highly efficient Micro-HEPA wrap filter-removes 99% of all airborne particles 0.1 microns in size, and an easy clean pre-filter

• Noise level: 50-75 dBA

• All-metal housing

• Ozone-free filtration technology

• Energy efficient

• Refillable carbon canisters

• Styrofoam free

• North American sourced parts and materials

• North American assembly