19 Houseplants that Purify the air naturally and inexpensively. Why invest in expensive electrical air purifiers when you could purchase a few types of houseplants to clean and filter your air naturally and inexpensively?
26 House Plants That Detox The Air In Your Home Naturally holistichealthnat. NASA researchers suggest efficient air cleaning is accomplished with at least one plant per 100 square feet of home or office space. Here's a building that creates its own air: