Frequently Asked Questions
Question: How long will the Flow Pen Mini last?
Answer: For most people the Flow Pen Mini lasts from 2 weeks to 3 months or approximately 150 exhales.
Question: Is my Flow Pen cleanable?
Answer: The exterior and interior plastic can be cleaned with a damp towel. The cartridges are not cleanable, but are designed to be replaceable and environmentally friendly.
Question: How do I know when it's time to replace my Flow Pen?
Answer: It can be difficult to tell when a Flow Pen is no longer working due to nose blindness. For that reason, we will be introducing a membership system in which users receive a Flow Filter capsule every two months at a lowered price.