Black Ozone Tube, Industrial Grade Tube. ID 5mm, OD 8mm 5meter roll. Suits almost all spa Ozone generators and Venturi Injectors. Replaces all clear, black, blue, green hoses. Ozone-resistant. But as Ozone is a very strong oxidizer, ozone hoses should be replaced every few years.

Dimensions:
Length: 5 metres
Outside Diameter: 8mm
Inside Diameter: 5mm