Unitrap Waterless Waste Trap Size:1 1/2" / 1 1/4" They come with two types

They come with two types of connections either male BSP thread on both sides which range in size from 3/8" through to 2" or with compression fitting either side which range in size from 1/2" through to 2"

- Suitable for almost all British and European sinks

- Gully grid includes four holes for fixing purposes

- Push lock “Click”

110mm Vertical Outlet and 110mm x 2″ Reducer

Unitrap Waterless Waste Trap Size:1 1/2" / 1 1/4" They come with two typesDESCRIPTION: Designed to allow full use of storage space below the basin within cabinet or furniture. Internal membrane opens under water pressure to allow discharge to flow freely and then closes to form a seal to prevent foul odour or sewer gas entering the building. Valve design eliminates the need for secondary ventilation to discharge pipework, allowing greater flexibility in plumbing design and can be easily cleaned without having to disassemble