Fresh Air from Three Plants

Source: Kamal Meattle on how to grow fresh air

Areca Palm
(Chrysalidocarpus lutescens)
Removes c02 converts to oxygen
need 4 shoulder high per person
wipe leaves once a day in deli once a week in cleaner cities
preferably grows in hydroponics
take outdoors every 3-4 months

Mother-in-law's Tongue
(Sansevieria trifasciata)
converts co2 to oxygen at night
6-8 waist high per person

Money Plant
(Epipremnum aureum)
removes formaldehyde and other volatile chemicals
preferably grows in hydroponics

In a 50000 sq ft building provides fresh air for 300 people using 1200 plants.