BLACK PORT LID ONLY -100MM

Excellent quality heavy duty "Nairn" brand Australian made nylon inspection ports with rubber "O" ring lid seals. Most ports are available black or white - with clear, white or black lids. Ports with synthetic storage bags are available in 5" and 6" sizes. All ports other than 8" are screw in type (8" is pry-out type). The size quoted is the inside hole size of the port.