Manufacturer Information
| Manufacturer/Distributor | HVL, Inc./Douglas Laboratories Brands by this Manufacturer |
| Division | |
| Address | 600 Boyce Road |
| City | Pittsburgh |
| State | PA |
| Zip | 15205 |
| Toll Free No. | 800-245-4440 |
| Phone No. | |
| Web Site | http://www.douglaslabs.com |