Shipping for the DIY1.1 Replacement Strap. This is a shipping fee free add-on item, no extra shipping fee is needed if you also purchase another item.

Smart Air low cost purifiers

Smart Air is a social enterprise and certified B-Corp that offers simple, no-nonsense air purifiers and provides free education to protect people from the harms of air pollution. We are proud to be the only certified B-Corp dedicated to fighting air pollution.

Certified B-Corp air purifier company