The best way to grow a fresh air flow? What are plants? They are: areca yellowish (Chrysalidocarpus lutescens), Sansevieria trifasciata (Sansevieria trifasciata) as well as epipremnum gold (Epipremnum aureum). Areka yellowish removes AS WELL AS in city and converts it into oxygen. For one person you'll need four shoulder-high plants being grown hydroponically or upon biohumusie. The device must always be properly nurtured: wipe at least weekly and expose out every 3 to 4 months. Sansevieria (coil) is known as. plant bedroom as converts CO2 into oxygen through the night. For one person need six or eight waist-high pieces. The third plant is epipremnum gold, which is best harvested hydroponically. This unique plant removes formaldehyde and also other volatile chemicals.