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Use air purifiers to reduce smoke particles in the environment

Better still, cover the return and supply duct with insulation

Ohnishi T, Kita H, Weiler D, Sur S, Sedgwick JB, Calhoun WJ, Busse WW, Abrams JS, Gleich GJ (1993) IL-5 is the predominant eosinophil-active cytokine in the antigen-induced pulmonary late-phase reaction

The PowerScale OZB1 delivers 90,000 mg/h of ozone output with a digital timer, 10-second delayed start for safe exit, and automatic post-treatment ventilation

Dry cleaning may be able to remove some of the smoke odor from clothing as this is something that they're accustomed to doing
