www.pmmag.com/articles/89187-duct-tool-by-la-perche-diffusion-design
Duct Tool by La Perche Diffusion Design
February 1, 2004
La Perche Diffusion Designs launched a new tool, the AEC 2000 rod, which recesses ducts for plumbing, electrical or other purposes without holes or plasterwork. It can work for up to 8 feet in a single operation in all directions without going out of alignment.
Circle 45
