AC1—A great choice for home space where is low foot traffic(closet&bedroom)

AC2—Suitable for room with moderate foot traffic(dining room, living room&family room)

AC3—For any room in the home with low or heavy traffic(kitchen, corridor&living room)

AC4—Used for all the residential and medium-foot-traffic commercial areas.

AC5—Can be installed in commercial areas with busy foot traffic

AC6—— Heavy intensive trafficked areas like airport terminals and public-facing government buildings.