35 Year
| Designated Pipe Sizes | |
|---|---|
| Min | 1/8" - 3/4" (3.2mm - 19.1mm) |
| #1 | 1/4" - 2" (6.4mm - 50.8mm) |
| #2 | 1-1/4" - 3" (31.8mm - 76.2mm) |
| #3 | 1/4" - 4" (6.4mm - 101.6mm) |
| #4 | 3" - 6" (76.2mm - 152.4mm) |
| #5 | 4" - 7" (101.6mm - 177.8mm) |
| #6 | 5" - 9" (127mm - 228.6mm) |
| #7 | 6" - 11" (152.4mm - 279.4mm) |
| #8 | 7" - 13" (177.8mm - 330.2mm) |