Honeywell offers several air purifiers, including the Allergen ... Many of GermGuardian's air purifiers are Energy ...

Dust, pollen, smoke removal is how well a model cleared air ... the Honeywell HPA300 is mainly how well the model removed dust and smoke from a test chamber, plus quietness for room purifiers.

Dust, pollen, smoke removal is how well a model cleared air of fine clay dust and cigarette smoke when operating at a low speed that was typically one setting above the lowest speed. Many models ...