Now Accepting Pre-orders!
Now Accepting Pre-orders!
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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.