View basket “MT MER2WH Extension Ring 20mm Whi” has been added to your basket.MT 20MM U BOX WHI Part Number: 2MRB13WH Category: 20mm WhitePOACall for price Branch Stock Data Sheets Rapid Electrical SloughRapid Electrical Watford9Technical Data SheetRelated productsMT 20MM STD. COUPLER WHI £ 2.88 3.46 Add to basketMT 20MM LOOP-IN BOX WHI £ 8.81 10.57 Add to basketMT 20MM TERMINAL BOX WHI £ 10.59 12.71 Add to basketMT 20MM TEE BOX WHI £ 12.70 15.24 Add to basket