B1=Isihlungi esiyinhloko + H11 Isihlungi se-HEPA esisebenzayo esimaphakathi + isihlungi esilungisiwe sokususwa kwekhabhoni aldehyde + H13 isihlungi se-HEPA esisebenza kahle kakhulu + ithangi lamanzi lokunyakaziswa kwe-ultrasonic.
B2=isihlungi esiyinhloko + Amaqembu ama-2 wamabhokisi okukhanya amagciwane e-UV angu-4 254nm + isihlungi esilungisiwe sokususa i-carbon aldehyde + H13 isihlungi se-HEPA esisebenza kahle kakhulu + ithangi lamanzi lokunyakaziswa kwe-ultrasonic.
B3=isihlungi esiyinhloko + Amaqembu ama-2 we-4 254nm amabhokisi okukhanya amagciwane e-UV + H13 isihlungi se-HEPA esisebenza kahle kakhulu + amaqembu ama-2 wamabhokisi okukhanya amagciwane angu-4 254nm we-UV + ithangi lamanzi le-ultrasonic humidification.