The 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 CARBON in city and turns it into oxygen. For one person you would like four shoulder-high plants to become grown hydroponically or in biohumusie. The device must always be properly nurtured: wipe at least once a week and expose out every few months. Sansevieria (coil) is named. plant bedroom as turns CO2 into oxygen during the night time. For one person need 6-8 waist-high pieces. The third plant is usually epipremnum gold, which is best harvested hydroponically. This unique plant removes formaldehyde along with other volatile chemicals.