Bosch ThermotechnologyAir 4000 White HEPA Air Purifier ENERGY STAR (Covers, 1345-sq ft)

BOSCH Air Purifier for Home (Covers, 1345-sq ft), 3-in-1 Filter for Pollen, Viruses, Smoke, Dust, Dander, Outdoor Pollution, Odors, HEPA, ENERGY STAR, Air 4000, White

BOSCH Air Purifier for Home (Covers, 810-sq ft), 3-in-1 Filter for Pollen, Viruses, Smoke, Dust, Dander, Outdoor Pollution, Odors, HEPA, ENERGY STAR, Air 2000, White

BOSCH Air Purifier for Home, Large Spaces (Covers, 2745-sq ft), 4-in-1 Filter for Pollen, Viruses, Smoke, Dust, Dander, Outdoor Pollution, Odors, HEPA, ENERGY STAR, Air 6000, White