![Second Nature raises $16.4M for 'healthy home' subscription products like air and water filters | TechCrunch Second Nature raises $16.4M for 'healthy home' subscription products like air and water filters | TechCrunch](https://techcrunch.com/wp-content/uploads/2020/03/Filters-In-Box-5x8-1.jpg)
Second Nature raises $16.4M for 'healthy home' subscription products like air and water filters | TechCrunch
Filter Box | Interested in starting a subscription or upgrading your home's filtration? We're still open and shipping filters: https://bit.ly/3e6a2Lb | By Second Nature | Facebook
![Second Nature Is Offering 50% Off Your First Air And Fridge Filter Shipments So You Can Start 2022 On A ~Refreshing~ Note Second Nature Is Offering 50% Off Your First Air And Fridge Filter Shipments So You Can Start 2022 On A ~Refreshing~ Note](https://img.buzzfeed.com/buzzfeed-static/static/2022-02/1/23/campaign_images/c0ed6941e481/second-nature-is-offering-50-off-your-first-air-a-2-4318-1643756901-12_dblbig.jpg)