This kit is ideal for bring your septic tank manhole up to finished ground level or when you are refurbishing the existing manhole. You won’t need any heavy block or concrete mix to do this job anymore!

To see how, just watch the video below.

This complete 500mm diameter x 200 mm tall Polylok riser package includes everything you need to install a septic tank riser system where up to 200 mm of riser is necessary. The package includes the Polylok Tank Adapter Ring (#3009-AR), Polylok 500mm x 150mm Riser (#3009), Polylok 500mm Riser Cover (#3009-RC), and the butyl seal.