Aquaflow Large Inspection Chamber Riser 470mm x 230mm in Black

Use with large inspection chamber (code 65574). Increases depth by 230mm. Can be stacked. 470mm diameter x 230mm high. This large inspection chamber riser sits on the base of the Aquaflow large inspection chamber, to extend the height and lift the inspection cover to a convenient level. Each riser adds 235 mm. The sides of the riser are strong, black polypropylene. They can be stacked or trimmed so you can adjust the inspection chamber as needed. Risers are easy to fit - simply install a seal into one e...