Polypipe 110mm 90 Degree Channel Bend UG481 are used at the bottom of a manhole and allow access to the incoming/ outgoing flows through the pipework ; can be used as an alternative to plastic chamber bases
Polypipe 110mm 90 Degree Long Radius Bend UG471 are used when when smaller knuckle bends could result in blockages of the Drainage System. The bends come with plain ends.