Modern people spend about 90% times indoors, the air pollution of indoors is more than outdoor environment 100 times.Indoor air pollution killed over 100,000 people.
Indoor greening is caught on, but plants grow up need to repot frequently to reduce nutrients loss、water absorption and avoid soil hardening.
ADD POTS through the supplementary design to replace the traditional replacement program, to reduce plant damage, and to purify、live oxygen、dust , and other three types of plants with the different indoor environment.