Schaum's Outline of Basic Circuit Analysis, Second Edition (Schaum's Outlines)
| Country | USA |
| Brand | Unknown |
| Manufacturer | U.S. Water Mattress |
| ItemPartNumber | CK6000L |
| Model | CK6000Lumbar |
| Warranty | Life time prorated warranty. |
| Color | Charcoal Gray |
| Size | California King |
| UPCs | 815851010517 |
| EANs | 0815851010517 |
| ReleaseDate | 0000-00-00 |