Description The 235mm shaft for the F-Line Shallow Dig Underground Tank sits on top of the main tank The REWATEC dome shaft system is a very precise construction. The tank cover sits almost seamlessly and without danger of rotation on the shaft frame and prevents the entry of dirt. Shaft frames with thermal covers can be seamlessly integrated into the ground profile. 1. PE shaft extensions fitting all tanks 2. Runoff-grooves avoid the problem of surface water getting into the tank 3. Seal included 4. Simple fitting 5. Height 235 mm, Ø 600 mm
