The manufacturer has provided the following approximate cubic feet of helium required per Cloudbuster balloon.

- A
**4 foot**Cloudbuster requires 34 Cubic Feet - A
**5.5 foot**Cloudbuster requires 87 Cubic Feet - A
**8 foot**Cloudbuster requires 267 Cubic Feet

These are only estimates. The amount of helium should be around 10 percent plus or minus this amount.