LABEL SIZE REQUIREMENTS (TABLE 1)
| Pipe / Tube Size (OD) | Text Height | Label Height |
| 1/4" | 1/4" | 1/2" |
| 1/2" to 3/4" | 3/8" | 1/2" |
| 1" to 2-1/2" | 7/8" | 1" |
| 3" to 5-1/2" | 1-7/8" | 2" |
| 6" and larger | 3-1/2" | 4" |
Pipe size includes insulation O.D. for correct label size | Direction arrow sizing to match text letter height