Though in small contributions, snake plants can absorb cancer-causing pollutants, including CO2, benzene, formaldehyde, xylene, and toluene. With the ability to absorb and remove harmful toxins, snake plants can act as an effective defense against airborne allergies.According to Vastu, Snake Plant can be best positioned in eastern, southern and south-eastern corners of your house. You must avoid placing the plant above any table or surfaces and it must not be bordered by any other indoor plants.