500mm diameter, factory built unit, delivered to site ready to install. Featuring a robust, impact resistant, rota moulded body and moulded sockets with 225mm twinwall rocker pipes fitted.
Integrally there is a removable silt basket under the inlet. The basket has a moulded handle /grip and is fitted with three circular screens, the screens help remove debris that may enter the unit. The filter basket is 25 kilos full, so is still a single person lift.
This unit comes with an A15 loading ? circular access cover as standard.

Discover our highly sought-after product: the twin wall drainage pipe.
Please Note:
All Attenuation and Silt trap orders can be designed to meet the exact specifications within your drainage drawings. Contact our sales team for a quotation on 0125 258 525.