100mm Extension Pieces for SimpleX Rain Water Boxes extension The smooth inner surface is

The smooth inner surface is highly resistant to the formation of fur and scale

where an added layer of protection is required the pipe and fittings also come with a hot dipped galvanised coating

- Blocks the rise of odours

urinal or appliance to create a water seal to the waste pipework preventing odours passing back into the building

100mm Extension Pieces for SimpleX Rain Water Boxes extension The smooth inner surface isDESCRIPTION: Extensions for SimpleX Rain Water Boxes SPECIFICATIONS: Available in 300 x 300mm and 450 x 450mm sizes Increasing the height of the box by 100mm Can be used multiple extensions for the same box Color: Grey.