Sizes of FRP Ecolite Square Manhole Cover
| Outer Frame Size | Clear Opening Size | ||
|---|---|---|---|
| Size in (Inch) | Size in (MM) | Size in (Inch) | Size in (MM) |
| 10" X 10" | 250 X 250 | 7.8" X 7.8" | 195 X 195 |
| 12" X 12" | 300 X 300 | 10" X 10" | 250 X 250 |
| 15" X 15" | 380 X 380 | 12" X 12" | 300 X 300 |
| 18" X 18" | 450 X 450 | 16" X 16" | 400 X 400 |
| 21" X 21" | 535 X 535 | 18" X 18" | 450 X 450 |
| 24" X 24" | 600 X 600 | 20" X 20" | 510 X 510 |
| 28" X 28" | 710 X 710 | 24" X 24" | 610 X 610 |
| 30" X 30" | 760 X 760 | 26" X 26" | 660 X 660 |
| 36" X 36" | 915 X 915 | 30" X 30" | 750 X 750 |
Sizes of FRP Ecolite Rectangular Manhole Cover
| Outer Frame Size | Clear Opening Size | ||
|---|---|---|---|
| Size in (Inch) | Size in (MM) | Size in (Inch) | Size in (MM) |
| 9" X 12" | 230 X 300 | 7" X 10" | 165 x 235 |
| 18" X 24" | 450 X 600 | 14" X 20" | 350 x 510 |
| 21" X 28" | 535 X 710 | 18" X 24" | 450 X 610 |
