The "Plus" drainage inspection chambers, also known as a catch basins or catch pits, are available in various sizes, from 200mm to 550mm (8" to  21½") square in grey or green.

Main characteristics:

• Light weight for easy transport, positioning and installation, even by a single person;
• High resistance thanks to the reinforcements and ribs at the sides;
• Pipes of many sizes can easily be fitted thanks to the special pre-cut concentric shapes for the side holes;
• Compatible with a range of matched sizes of PP inspection chamber covers and gratings.
• Slot-in plates available to create siphonic trap for odour control.

Materials: Made of PP (polypropylene).

Use: Used as an alternative to traditional concrete catch basins for rain and storm water collection.