The ‘cut to suit’ Extension Riser is supplied with an additional frame interfacing directly with the tank. The original cover is removed for installation and relocated to the top of the extension when ready to backfill.
The air and water tight Extension Riser provide a fast and easy means to achieve a perfect finish at grade/floor level.
- Molded in engineered thermoplastic, that will not corrode, chip or peel, even under the most severe applications.
- Includes 2xframe and all installation hardware
- 18" Dia (Nom) 18" Cut-to-length.
- Instructions for cutting and installation available.
- For XL Grease Interceptor 75 GPM and XL Grease Interceptor 100 GPM