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Areca palm

The Areca Palm is considered the most efficient air-purifying plant, according to NASA. It also makes for an excellent air humidifier, transpiring 1 liter of water per 24 hours—this is the process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released into the air. This tropical plant from Madagascar eliminates benzene, carbon monoxide, formaldehyde, trichloroethylene, xylene and other toxins from the air.

Toxic to pets? No