For double trap syphonic pans, made'for'dudley syphons.with a hole of 42mm.'External diameter of pressure reducing valve 42mm
- Brand: Arley
- Style: Modern
- Material: PVC
- Made for Dudley syphons with a hole of 42mm
- Air extractor for use with double trap syphonic pans
- Barcode (EAN): 5033696428952
