Verholen goot 300mm. L=4m. D400. Tussenbrug staal, omranding beton Offerte Integrated 2000 l sludge trap Inlet connection depth 665mm Integrated 2000 l sludge trap KOMO product certificate in accordance with BRL 5211 and KIWA product certificate in accordance with BRL 5070 no more cross sealing required Weight 1900kg