What is Flex?Updated an hour ago

Flex partners with merchants and brands to enable qualified customers to use HSA/FSA funds on qualified products and services that are used to treat, mitigate, or prevent a diagnosed medical condition. Flex partners with a network of individual practitioners who evaluate customers’ eligibility and issue Letters of Medical Necessity to qualifying customers, thereby saving customers money on legitimate medical expenditures.

The Glow, Hearth, and sauna components can be paid with HSA/FSA through Flex. You can find more information here: https://sauna.space/pages/hsa-fsa-payment