Nairn inspection ports are Australian Made and manufactured to high tolerances using premium materials to provide high strength, durability and watertightness even in the most demanding applications. In short, total product integrity. All models incorporate ‘O’ ring seals. In the 4”, 5” and 6” models the seal is located in the rim and is made from EPDM rubber for superior weathering characteristics. Rims and coloured lids are made from ABS plastic while polycarbonate plastic is used for clear lids to give both high transparency and impact resistance. EPDM rubber is used for superior weathering characteristics. All rims have wide caulking flanges. 5” and 6” ports are available with removable kit bags made from woven nylon and feature corded closures for added security of stored items. Code Description Colour Hole Size O.D 404600 4” Inspection Port Black 100mm 145mm 404601 4” Inspection Port White 100mm 145mm 404610 5” Inspection Port Black 125mm 170mm 404611 5” Inspection Port White 125mm 170mm 404620 6” Inspection Port Black 150mm 195mm 404621 6” Inspection Port White 150mm 195mm
