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450mm Surface Chamber – 300mm Twinwall Main Channel with optional 225mm Twinwall Side Inlets

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From: £275.41

Product Overview – 450mm Surface Chamber

450mm internal diameter – Factory built inspection chambers, delivered to site as single piece units, ready to install, no assembly required.

All chambers feature a robust, impact resistant, rota moulded base. This model comes with a 300mm twinwall main channel with rocker pipe connections, which can be supplied with TWR300225 adaptors, to offer a 225mm main channel.

There are two optional 225mm twinwall side connections at 90  and both have blind ends, that can be cut off for use on site, if required. A wide range of adaptors to other pipework systems are available.


    • Main channel pipework – 300mm twinwall
    • Optional side inlets – 2 x 225mm twinwall

Additional information

Chamber Diameter


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