Nr.1 Standard - green gelcoated lid.
Nr.2 The choice is suitable if you plan to install the cleaning device under the carriageway, where a cover is provided with pads or the like. After using the transition, all you have to do is take care of the cast iron cover, which you can choose according to your needs.
Nr.3 The option is ideal for those who save space on their plot. Height-adjustable telescope + black (green) plastic cover.