| Company | National Vacuum Equipment |
| Address | 2707 Aero Park Dr., Traverse City, MI 49686 |
| Phone Number | 800-253-5500 |
| Secondary Phone | 231-941-0215 |
| Fax | 231-941-2354 |
| Website | www.natvac.com |
| Email Address | sales@natvac.com |
| Model | 304 Challenger |
| Recommended Tank Size (Gallon) | Application Specific |
| Maximum Vacuum (Hg) | Full Vac |
| Maximum Pressure (PSI) | 20 |
| Net Weight | 179 |
| Number of Vanes | 4 |
| Air, Fan or Liquid Cooled | Air |
| RPM Range | 1,100 - 1,400 |
