- Allows the tank, riser and tank cover to be cast together
- Works with additional 24'' Risers to be placed at ground level for maintenance
- The riser pan is provided with a keyway for positioning the concrete cover
- The riser pan is held in perfect alignment with the inner core of the mold with four mold attachment nails for quick installation
- Patented ring guarantees water and air tightness between the concrete tank and the riser
- Fits anywhere in the Riser pile
- Can be used as a 3" Riser
- The 59 lb. cap meets the ASTM C-1227 standard for precast concrete septic tanks
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