Opening inspection port 5″ in diameter.Nairn inspection ports are manufactured to high tolerances using premium materials to provide high strength and durability and a watertight seal even in the most demanding applications. Rims and coloured lids are made from ABS plastic to provide impact resistance.Part numberMounting HolesOverall DiameterInside DiameterSAW-36106 6 x 8g (4mm) 170mm 125mm








