Table 6.

Desirable attributes of in-car air decontamination devices.

Attribute	Reason(s) for consideration
Broad-spectrum of activity	Should be able to deal with airborne infectious agents and allergens as well as respirable particulates, odors, and VOCs
Economical to install, maintain, and operate	Must be lightweight not to add significantly to fuel consumption; should indicate when filters & bulbs may require changing
Noise level	Should be as low as possible
Installation or retrofit in all makes of vehicles	Should be capable of ready retrofit
Nontoxic & environmentally friendly	Must be as “green” as possible