Water-free membrane, allows water to flow through but prevent odours, gases and insects rising. Suitable for all types of drains. The dimensions given are internal dimensions.
Example: If you are looking for a Green Drain valve for a PVC pipe 110x3.0mm, the inside size of the pipe is important. In this situation, the inner size is 104mm and you need a GD4 odour valve. The GD4 odour valve is suitable for all pipes with an inner size of 97 to 105mm.
Nijverheidsweg 26
3641 RR Mijdrecht
Netherlands
0297 - 30 00 00
verkoop@vanwalraven.com
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