Nairn Inspection port Colour:White Imperite 300 – this is

Imperite 300 – this is a slower evaporating thinner suitable

Breathable lining for condensation control and all-day comfort

2:1 Power ratio 1st speed 8

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Nairn Inspection port Colour:White Imperite 300 – this isExcellent 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.