The Harlequin CAP range is a compact sewage treatment plant specifically designed to treat domestic sewage in a simple and compact system making sure its safe to be discharged into a watercourse such as a river or stream. Manufactured from durable Medium Density Polyethylene (MDPE) material, the CAP is available in 5 sizes and is one of the most stable and easy to install sewage treatment plants. It’s unique bio media system delivers a pollutant removal level of 96.2% whilst also combatting common problems associated with small packaged domestic plants. Contemporary design engineering and analysis software and state-of-the-art manufacturing facilities combine to create this unique product which dominates the domestic sewage treatment plant market. Market-leading performance, easy installation, super quiet operation, low maintenance costs, reliable bio media system and durability are all qualities that make the product best suited for a wide range of off-mains sewage treatment requirements.

CAP6 comes in both gravity and pumped outlet versions. It’s equipped with an external blower for optimal performance. The blower is conveniently located in a weatherproof aboveground external housing. This compact system comes with a 2-year warranty (only when product is registered on the Harlequin website) and is certified for use in the UK in compliance with EN12566-3.