Size: 375mm
Standards: BBA Approved
This 375mm twinwall surface water drainage coupler is black in colour and designed to connect onto
375mm twinwall drainage pipe to connect two lengths together.
For a sealed carrier system, you will require
375mm sealing rings. You will need two ring seals per one 375mm twinwall coupler
We highly recommend this product and the rest of the twinwall range to be installed with
lubricant to help with pipe jointing fittings and rubber seal connections.
BBA approved and manufactured in the UK by Naylor provides the installer with a reliable product that will perform. This product is designed to suit Naylor Metrodrain Twinwall, therefore it may not fit other manufactures twinwall products.