SonoTube or Quik-Tube style concrete form tubes are a single cylindrical heavy-duty cardboard form designed to replace labor-intensive wood forms. It can be used for above or below grade applications for concrete footings, piers and posts.
| Material | : | Cardboard |
| Type | : | Form Tubes |
| Diameter | : | 8 in |
| Length | : | 4 ft |