Polypropylene inspection hatch, fitted with rotating lock and bayonet
Order number | Colour | External Ø MM | Inside Ø MM |
20.337.01BI | White | 135 | 100 |
20.337.02BI | White | 204 | 155 |
20.337.01NE | Black | 135 | 100 |
20.337.02NE | Black | 204 | 155 |
Additional information
100% flush. The lid also covers the screws.