Most of us know that houseplants give off oxygen. But not many people realize that some plants can also help clean the air by removing mold and harmful toxins — which is great for our health.

NASA even did a study and found that some indoor plants are especially good at filtering the air and getting rid of pollutants inside our homes.

These plants can remove dust, fumes from paint, and chemicals from building materials, making the air much cleaner.

Here are 6 plants that are great to keep in your home:

Aloe Vera – This plant helps boost oxygen levels in your house. It absorbs carbon dioxide, carbon monoxide, and formaldehyde. It’s a powerful natural air purifier.