Adjustable riser for setting finished grate height on site.

• Threaded adjustment ring allows precise height adjustment to suit installation conditions.
• Provides 195mm of vertical adjustment, increasing the installed height of the PP250-600 pit by 110mm to 305mm.  Ideal where finished surface levels may vary, including paving, concrete and landscaped areas.
• Suitable for stormwater and wastewater pit installations.
• Compatible with the CPCG252 Composite Grate.
• Compatible with the AL250RD Aluminium Grate when used with the PPRDAL250 insert packer, which provides support for the aluminium grate.

Warranty: Lifetime