There can be various reasons for your coupon code to not work. Here a few common answers for why it could not work:
- Coupon codes are case sensitive. Make sure to enter the coupon code exactly as you receive it.
- The coupon code is not available for the product(s) in your cart. Some coupon codes are only available on specific products so verify that there are eligible products in your cart to use the coupon code on.
- The coupon code has expired. Some coupon codes only have a limited time for availability before they can no longer be used.
If you ever receive a coupon code from PowerLung, make sure to read any included information regarding its usage and availability.
If you need assistance with your coupon code or have any questions, please contact us today.


