- Lengths up to 20 ft.
- Produces exceptionally smooth columns without any manual finishing
- Patented Duraglas coating on the inside eliminates spiral marks, seams and imperfections that would otherwise be left on the finished surface of the concrete
- Available in 12- to 36-in.-diameter sizes
- Made with Rainguard technology to prevent moisture damage and contain the RipCord feature for quick removal after the forms set
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Sonotube Finish Free Concrete Forms