The original full-size APCO features a 13" Fresh-Aire UV lamp and 6 activated carbon cells. Models include low-voltage 18-32 VAC single or dual (ER, DER) and line-voltage 120-277 single or dual (SI, DI). APCO Dual systems come with an second remote UV lamp which can be mounted where needed for additional UV disinfection.

APCO is available with a one or two year UV lamp.